Home / 8,626.14-12,939.28-3,432.04

Finding the Fourth Proportional to 8,626.14, 12,939.28 and 3,432.04

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Solution

The fourth proportional to 8,626.14, 12,939.28 and 3,432.04 is: 5,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.14 : 12,939.28 = 3,432.04 : x
  2. Step 2: Convert to fraction form
    8,626.14/12,939.28 = 3,432.04/x
  3. Step 3: Cross multiply
    8,626.14x = 12,939.28 × 3,432.04
  4. Step 4: Simplify right side
    8,626.14x = 44,408,126.53
  5. Step 5: Solve for x
    x = 44,408,126.53/8,626.14
  6. Step 6: Final answer
    x = 5,148.09

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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.