RATIO AND PROPORTION PROBLEMS (2) To see the answer, pass your mouse over the colored area. 4. What is a proportion? A statement that two ratios are the same. 5. Why is each of the following a proportion? 5. a) 2 is to 6 as 10 is to 30. 2 is the third part of 6, just as 10 is the third part of 30. 5. b) 12 is to 3 as 24 is to 6. 12 is four times 3, just as 24 is four times 6. 5. c) 2 is to 3 as 10 is to 15. 2 is two thirds of 3, just as 10 is two thirds of 15. 6. In each of the following, what ratio has 6.
a) 6.
b) 6.
c) 7.
"5 is to 1 as 10 is to 2."
"2 is to 8 as 6 is to 24."
"75 is to 100 as 3 is to 4." 8. Complete each proportion.
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