Home / 8,332.20-12,494.70-3,400.20

Finding the Fourth Proportional to 8,332.20, 12,494.70 and 3,400.20

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Solution

The fourth proportional to 8,332.20, 12,494.70 and 3,400.20 is: 5,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.20 : 12,494.70 = 3,400.20 : x
  2. Step 2: Convert to fraction form
    8,332.20/12,494.70 = 3,400.20/x
  3. Step 3: Cross multiply
    8,332.20x = 12,494.70 × 3,400.20
  4. Step 4: Simplify right side
    8,332.20x = 42,484,478.94
  5. Step 5: Solve for x
    x = 42,484,478.94/8,332.20
  6. Step 6: Final answer
    x = 5,098.83

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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.