Find y in a proportional relationship
Find k from the first pair, then multiply k by the new x.
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y is proportional to x. When x = 8, y = 40. What is y when x = 9?
Answer: 45
y is proportional to x. When x = 6, y = 30. What is y when x = 9?
Answer: 45
y is proportional to x. When x = 6, y = 24. What is y when x = 4?
Answer: 16
Tip: Find k from the first pair, then multiply k by the new x.
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