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Finding the Fourth Proportional to 8,607.27, 12,910.64 and 2,451.27

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Solution

The fourth proportional to 8,607.27, 12,910.64 and 2,451.27 is: 3,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.27 : 12,910.64 = 2,451.27 : x
  2. Step 2: Convert to fraction form
    8,607.27/12,910.64 = 2,451.27/x
  3. Step 3: Cross multiply
    8,607.27x = 12,910.64 × 2,451.27
  4. Step 4: Simplify right side
    8,607.27x = 31,647,452.26
  5. Step 5: Solve for x
    x = 31,647,452.26/8,607.27
  6. Step 6: Final answer
    x = 3,676.83

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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.