Home / 8,251.14-12,379.54-2,408.60

Finding the Fourth Proportional to 8,251.14, 12,379.54 and 2,408.60

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Solution

The fourth proportional to 8,251.14, 12,379.54 and 2,408.60 is: 3,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.14 : 12,379.54 = 2,408.60 : x
  2. Step 2: Convert to fraction form
    8,251.14/12,379.54 = 2,408.60/x
  3. Step 3: Cross multiply
    8,251.14x = 12,379.54 × 2,408.60
  4. Step 4: Simplify right side
    8,251.14x = 29,817,360.04
  5. Step 5: Solve for x
    x = 29,817,360.04/8,251.14
  6. Step 6: Final answer
    x = 3,613.73

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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.