Home / 5,540.85-8,311.24-2,253.91

Finding the Fourth Proportional to 5,540.85, 8,311.24 and 2,253.91

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Solution

The fourth proportional to 5,540.85, 8,311.24 and 2,253.91 is: 3,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.85 : 8,311.24 = 2,253.91 : x
  2. Step 2: Convert to fraction form
    5,540.85/8,311.24 = 2,253.91/x
  3. Step 3: Cross multiply
    5,540.85x = 8,311.24 × 2,253.91
  4. Step 4: Simplify right side
    5,540.85x = 18,732,786.95
  5. Step 5: Solve for x
    x = 18,732,786.95/5,540.85
  6. Step 6: Final answer
    x = 3,380.85

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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.