Home / 8,171.35-12,248.25-3,234.13

Finding the Fourth Proportional to 8,171.35, 12,248.25 and 3,234.13

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Solution

The fourth proportional to 8,171.35, 12,248.25 and 3,234.13 is: 4,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.35 : 12,248.25 = 3,234.13 : x
  2. Step 2: Convert to fraction form
    8,171.35/12,248.25 = 3,234.13/x
  3. Step 3: Cross multiply
    8,171.35x = 12,248.25 × 3,234.13
  4. Step 4: Simplify right side
    8,171.35x = 39,612,432.77
  5. Step 5: Solve for x
    x = 39,612,432.77/8,171.35
  6. Step 6: Final answer
    x = 4,847.72

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1.5x scale

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.