Finding the Fourth Proportional to 7,332.78, 11,000.63 and 2,716.14
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Solution
The fourth proportional to 7,332.78, 11,000.63 and 2,716.14 is: 4,074.75
Step by Step Solution
- Step 1: Write the proportion equation
7,332.78 : 11,000.63 = 2,716.14 : x - Step 2: Convert to fraction form
7,332.78/11,000.63 = 2,716.14/x - Step 3: Cross multiply
7,332.78x = 11,000.63 × 2,716.14 - Step 4: Simplify right side
7,332.78x = 29,879,251.17 - Step 5: Solve for x
x = 29,879,251.17/7,332.78 - Step 6: Final answer
x = 4,074.75
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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.