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Finding the Fourth Proportional to 8,251.58, 12,377.79 and 2,408.63

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Solution

The fourth proportional to 8,251.58, 12,377.79 and 2,408.63 is: 3,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.58 : 12,377.79 = 2,408.63 : x
  2. Step 2: Convert to fraction form
    8,251.58/12,377.79 = 2,408.63/x
  3. Step 3: Cross multiply
    8,251.58x = 12,377.79 × 2,408.63
  4. Step 4: Simplify right side
    8,251.58x = 29,813,516.33
  5. Step 5: Solve for x
    x = 29,813,516.33/8,251.58
  6. Step 6: Final answer
    x = 3,613.07

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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.