Home / 5,553.60-7,663.92-3,163.86

Finding the Fourth Proportional to 5,553.60, 7,663.92 and 3,163.86

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Solution

The fourth proportional to 5,553.60, 7,663.92 and 3,163.86 is: 4,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.60 : 7,663.92 = 3,163.86 : x
  2. Step 2: Convert to fraction form
    5,553.60/7,663.92 = 3,163.86/x
  3. Step 3: Cross multiply
    5,553.60x = 7,663.92 × 3,163.86
  4. Step 4: Simplify right side
    5,553.60x = 24,247,569.93
  5. Step 5: Solve for x
    x = 24,247,569.93/5,553.60
  6. Step 6: Final answer
    x = 4,366.10

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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.