Home / 8,981.26-13,472.85-3,439.29

Finding the Fourth Proportional to 8,981.26, 13,472.85 and 3,439.29

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Solution

The fourth proportional to 8,981.26, 13,472.85 and 3,439.29 is: 5,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.26 : 13,472.85 = 3,439.29 : x
  2. Step 2: Convert to fraction form
    8,981.26/13,472.85 = 3,439.29/x
  3. Step 3: Cross multiply
    8,981.26x = 13,472.85 × 3,439.29
  4. Step 4: Simplify right side
    8,981.26x = 46,337,101.70
  5. Step 5: Solve for x
    x = 46,337,101.70/8,981.26
  6. Step 6: Final answer
    x = 5,159.31

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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.