Home / 8,434.91-12,650.08-3,169.70

Finding the Fourth Proportional to 8,434.91, 12,650.08 and 3,169.70

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Solution

The fourth proportional to 8,434.91, 12,650.08 and 3,169.70 is: 4,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.91 : 12,650.08 = 3,169.70 : x
  2. Step 2: Convert to fraction form
    8,434.91/12,650.08 = 3,169.70/x
  3. Step 3: Cross multiply
    8,434.91x = 12,650.08 × 3,169.70
  4. Step 4: Simplify right side
    8,434.91x = 40,096,982.28
  5. Step 5: Solve for x
    x = 40,096,982.28/8,434.91
  6. Step 6: Final answer
    x = 4,753.70

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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.