Home / 5,434.92-8,152.38-5,157.90

Finding the Fourth Proportional to 5,434.92, 8,152.38 and 5,157.90

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Solution

The fourth proportional to 5,434.92, 8,152.38 and 5,157.90 is: 7,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.92 : 8,152.38 = 5,157.90 : x
  2. Step 2: Convert to fraction form
    5,434.92/8,152.38 = 5,157.90/x
  3. Step 3: Cross multiply
    5,434.92x = 8,152.38 × 5,157.90
  4. Step 4: Simplify right side
    5,434.92x = 42,049,160.80
  5. Step 5: Solve for x
    x = 42,049,160.80/5,434.92
  6. Step 6: Final answer
    x = 7,736.85

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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.