Home / 8,337.09-12,508.07-3,405.81

Finding the Fourth Proportional to 8,337.09, 12,508.07 and 3,405.81

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Solution

The fourth proportional to 8,337.09, 12,508.07 and 3,405.81 is: 5,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.09 : 12,508.07 = 3,405.81 : x
  2. Step 2: Convert to fraction form
    8,337.09/12,508.07 = 3,405.81/x
  3. Step 3: Cross multiply
    8,337.09x = 12,508.07 × 3,405.81
  4. Step 4: Simplify right side
    8,337.09x = 42,600,092.86
  5. Step 5: Solve for x
    x = 42,600,092.86/8,337.09
  6. Step 6: Final answer
    x = 5,109.71

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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.