Home / 6,021.28-8,306.40-3,781.96

Finding the Fourth Proportional to 6,021.28, 8,306.40 and 3,781.96

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Solution

The fourth proportional to 6,021.28, 8,306.40 and 3,781.96 is: 5,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.28 : 8,306.40 = 3,781.96 : x
  2. Step 2: Convert to fraction form
    6,021.28/8,306.40 = 3,781.96/x
  3. Step 3: Cross multiply
    6,021.28x = 8,306.40 × 3,781.96
  4. Step 4: Simplify right side
    6,021.28x = 31,414,472.54
  5. Step 5: Solve for x
    x = 31,414,472.54/6,021.28
  6. Step 6: Final answer
    x = 5,217.24

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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.