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Finding the Fourth Proportional to 3,793.65, 5,233.24 and 3,086.27

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Solution

The fourth proportional to 3,793.65, 5,233.24 and 3,086.27 is: 4,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.65 : 5,233.24 = 3,086.27 : x
  2. Step 2: Convert to fraction form
    3,793.65/5,233.24 = 3,086.27/x
  3. Step 3: Cross multiply
    3,793.65x = 5,233.24 × 3,086.27
  4. Step 4: Simplify right side
    3,793.65x = 16,151,188.93
  5. Step 5: Solve for x
    x = 16,151,188.93/3,793.65
  6. Step 6: Final answer
    x = 4,257.43

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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.