Home / 8,983.24-13,480.97-3,139.83

Finding the Fourth Proportional to 8,983.24, 13,480.97 and 3,139.83

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Solution

The fourth proportional to 8,983.24, 13,480.97 and 3,139.83 is: 4,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.24 : 13,480.97 = 3,139.83 : x
  2. Step 2: Convert to fraction form
    8,983.24/13,480.97 = 3,139.83/x
  3. Step 3: Cross multiply
    8,983.24x = 13,480.97 × 3,139.83
  4. Step 4: Simplify right side
    8,983.24x = 42,327,938.34
  5. Step 5: Solve for x
    x = 42,327,938.34/8,983.24
  6. Step 6: Final answer
    x = 4,711.88

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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.