Home / 8,350.20-12,521.61-2,505.69

Finding the Fourth Proportional to 8,350.20, 12,521.61 and 2,505.69

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Solution

The fourth proportional to 8,350.20, 12,521.61 and 2,505.69 is: 3,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.20 : 12,521.61 = 2,505.69 : x
  2. Step 2: Convert to fraction form
    8,350.20/12,521.61 = 2,505.69/x
  3. Step 3: Cross multiply
    8,350.20x = 12,521.61 × 2,505.69
  4. Step 4: Simplify right side
    8,350.20x = 31,375,272.96
  5. Step 5: Solve for x
    x = 31,375,272.96/8,350.20
  6. Step 6: Final answer
    x = 3,757.43

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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.