Home / 8,320.20-12,467.97-3,635.88

Finding the Fourth Proportional to 8,320.20, 12,467.97 and 3,635.88

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Solution

The fourth proportional to 8,320.20, 12,467.97 and 3,635.88 is: 5,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.20 : 12,467.97 = 3,635.88 : x
  2. Step 2: Convert to fraction form
    8,320.20/12,467.97 = 3,635.88/x
  3. Step 3: Cross multiply
    8,320.20x = 12,467.97 × 3,635.88
  4. Step 4: Simplify right side
    8,320.20x = 45,332,042.76
  5. Step 5: Solve for x
    x = 45,332,042.76/8,320.20
  6. Step 6: Final answer
    x = 5,448.43

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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.