Home / 5,472.38-8,211.25-3,391.83

Finding the Fourth Proportional to 5,472.38, 8,211.25 and 3,391.83

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Solution

The fourth proportional to 5,472.38, 8,211.25 and 3,391.83 is: 5,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.38 : 8,211.25 = 3,391.83 : x
  2. Step 2: Convert to fraction form
    5,472.38/8,211.25 = 3,391.83/x
  3. Step 3: Cross multiply
    5,472.38x = 8,211.25 × 3,391.83
  4. Step 4: Simplify right side
    5,472.38x = 27,851,164.09
  5. Step 5: Solve for x
    x = 27,851,164.09/5,472.38
  6. Step 6: Final answer
    x = 5,089.41

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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.