Home / 8,231.89-11,359.92-4,454.97

Finding the Fourth Proportional to 8,231.89, 11,359.92 and 4,454.97

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Solution

The fourth proportional to 8,231.89, 11,359.92 and 4,454.97 is: 6,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.89 : 11,359.92 = 4,454.97 : x
  2. Step 2: Convert to fraction form
    8,231.89/11,359.92 = 4,454.97/x
  3. Step 3: Cross multiply
    8,231.89x = 11,359.92 × 4,454.97
  4. Step 4: Simplify right side
    8,231.89x = 50,608,102.80
  5. Step 5: Solve for x
    x = 50,608,102.80/8,231.89
  6. Step 6: Final answer
    x = 6,147.81

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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.