Home / 6,171.88-8,517.26-3,377.38

Finding the Fourth Proportional to 6,171.88, 8,517.26 and 3,377.38

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Solution

The fourth proportional to 6,171.88, 8,517.26 and 3,377.38 is: 4,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.88 : 8,517.26 = 3,377.38 : x
  2. Step 2: Convert to fraction form
    6,171.88/8,517.26 = 3,377.38/x
  3. Step 3: Cross multiply
    6,171.88x = 8,517.26 × 3,377.38
  4. Step 4: Simplify right side
    6,171.88x = 28,766,023.58
  5. Step 5: Solve for x
    x = 28,766,023.58/6,171.88
  6. Step 6: Final answer
    x = 4,660.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.