Home / 8,737.91-13,103.69-3,806.36

Finding the Fourth Proportional to 8,737.91, 13,103.69 and 3,806.36

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Solution

The fourth proportional to 8,737.91, 13,103.69 and 3,806.36 is: 5,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.91 : 13,103.69 = 3,806.36 : x
  2. Step 2: Convert to fraction form
    8,737.91/13,103.69 = 3,806.36/x
  3. Step 3: Cross multiply
    8,737.91x = 13,103.69 × 3,806.36
  4. Step 4: Simplify right side
    8,737.91x = 49,877,276.92
  5. Step 5: Solve for x
    x = 49,877,276.92/8,737.91
  6. Step 6: Final answer
    x = 5,708.15

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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.