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Finding the Fourth Proportional to 5,250.92, 7,877.92 and 1,553.25

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Solution

The fourth proportional to 5,250.92, 7,877.92 and 1,553.25 is: 2,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.92 : 7,877.92 = 1,553.25 : x
  2. Step 2: Convert to fraction form
    5,250.92/7,877.92 = 1,553.25/x
  3. Step 3: Cross multiply
    5,250.92x = 7,877.92 × 1,553.25
  4. Step 4: Simplify right side
    5,250.92x = 12,236,379.24
  5. Step 5: Solve for x
    x = 12,236,379.24/5,250.92
  6. Step 6: Final answer
    x = 2,330.33

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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.