Home / 5,442.11-8,161.86-2,517.61

Finding the Fourth Proportional to 5,442.11, 8,161.86 and 2,517.61

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Solution

The fourth proportional to 5,442.11, 8,161.86 and 2,517.61 is: 3,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.11 : 8,161.86 = 2,517.61 : x
  2. Step 2: Convert to fraction form
    5,442.11/8,161.86 = 2,517.61/x
  3. Step 3: Cross multiply
    5,442.11x = 8,161.86 × 2,517.61
  4. Step 4: Simplify right side
    5,442.11x = 20,548,380.35
  5. Step 5: Solve for x
    x = 20,548,380.35/5,442.11
  6. Step 6: Final answer
    x = 3,775.81

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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.