Home / 8,288.10-12,432.11-3,357.81

Finding the Fourth Proportional to 8,288.10, 12,432.11 and 3,357.81

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Solution

The fourth proportional to 8,288.10, 12,432.11 and 3,357.81 is: 5,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.10 : 12,432.11 = 3,357.81 : x
  2. Step 2: Convert to fraction form
    8,288.10/12,432.11 = 3,357.81/x
  3. Step 3: Cross multiply
    8,288.10x = 12,432.11 × 3,357.81
  4. Step 4: Simplify right side
    8,288.10x = 41,744,646.49
  5. Step 5: Solve for x
    x = 41,744,646.49/8,288.10
  6. Step 6: Final answer
    x = 5,036.70

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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.