Home / 8,332.28-12,498.64-3,649.87

Finding the Fourth Proportional to 8,332.28, 12,498.64 and 3,649.87

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Solution

The fourth proportional to 8,332.28, 12,498.64 and 3,649.87 is: 5,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.28 : 12,498.64 = 3,649.87 : x
  2. Step 2: Convert to fraction form
    8,332.28/12,498.64 = 3,649.87/x
  3. Step 3: Cross multiply
    8,332.28x = 12,498.64 × 3,649.87
  4. Step 4: Simplify right side
    8,332.28x = 45,618,411.18
  5. Step 5: Solve for x
    x = 45,618,411.18/8,332.28
  6. Step 6: Final answer
    x = 5,474.90

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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.