Finding the Fourth Proportional to 7,547.18, 11,319.14 and 2,549.09
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Solution
The fourth proportional to 7,547.18, 11,319.14 and 2,549.09 is: 3,823.09
Step by Step Solution
- Step 1: Write the proportion equation
7,547.18 : 11,319.14 = 2,549.09 : x - Step 2: Convert to fraction form
7,547.18/11,319.14 = 2,549.09/x - Step 3: Cross multiply
7,547.18x = 11,319.14 × 2,549.09 - Step 4: Simplify right side
7,547.18x = 28,853,541.25 - Step 5: Solve for x
x = 28,853,541.25/7,547.18 - Step 6: Final answer
x = 3,823.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.