Home / 8,257.27-12,385.91-3,325.77

Finding the Fourth Proportional to 8,257.27, 12,385.91 and 3,325.77

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Solution

The fourth proportional to 8,257.27, 12,385.91 and 3,325.77 is: 4,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.27 : 12,385.91 = 3,325.77 : x
  2. Step 2: Convert to fraction form
    8,257.27/12,385.91 = 3,325.77/x
  3. Step 3: Cross multiply
    8,257.27x = 12,385.91 × 3,325.77
  4. Step 4: Simplify right side
    8,257.27x = 41,192,687.90
  5. Step 5: Solve for x
    x = 41,192,687.90/8,257.27
  6. Step 6: Final answer
    x = 4,988.66

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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.