Home / 8,332.47-12,499.11-2,489.13

Finding the Fourth Proportional to 8,332.47, 12,499.11 and 2,489.13

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Solution

The fourth proportional to 8,332.47, 12,499.11 and 2,489.13 is: 3,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.47 : 12,499.11 = 2,489.13 : x
  2. Step 2: Convert to fraction form
    8,332.47/12,499.11 = 2,489.13/x
  3. Step 3: Cross multiply
    8,332.47x = 12,499.11 × 2,489.13
  4. Step 4: Simplify right side
    8,332.47x = 31,111,909.67
  5. Step 5: Solve for x
    x = 31,111,909.67/8,332.47
  6. Step 6: Final answer
    x = 3,733.82

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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.