Home / 8,981.24-13,472.79-3,439.25

Finding the Fourth Proportional to 8,981.24, 13,472.79 and 3,439.25

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Solution

The fourth proportional to 8,981.24, 13,472.79 and 3,439.25 is: 5,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.24 : 13,472.79 = 3,439.25 : x
  2. Step 2: Convert to fraction form
    8,981.24/13,472.79 = 3,439.25/x
  3. Step 3: Cross multiply
    8,981.24x = 13,472.79 × 3,439.25
  4. Step 4: Simplify right side
    8,981.24x = 46,336,293.01
  5. Step 5: Solve for x
    x = 46,336,293.01/8,981.24
  6. Step 6: Final answer
    x = 5,159.23

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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.