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Finding the Fourth Proportional to 7,499.43, 10,349.17 and 4,514.63

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Solution

The fourth proportional to 7,499.43, 10,349.17 and 4,514.63 is: 6,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.43 : 10,349.17 = 4,514.63 : x
  2. Step 2: Convert to fraction form
    7,499.43/10,349.17 = 4,514.63/x
  3. Step 3: Cross multiply
    7,499.43x = 10,349.17 × 4,514.63
  4. Step 4: Simplify right side
    7,499.43x = 46,722,610.32
  5. Step 5: Solve for x
    x = 46,722,610.32/7,499.43
  6. Step 6: Final answer
    x = 6,230.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.