Home / 5,092.20-7,027.29-2,854.17

Finding the Fourth Proportional to 5,092.20, 7,027.29 and 2,854.17

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Solution

The fourth proportional to 5,092.20, 7,027.29 and 2,854.17 is: 3,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.20 : 7,027.29 = 2,854.17 : x
  2. Step 2: Convert to fraction form
    5,092.20/7,027.29 = 2,854.17/x
  3. Step 3: Cross multiply
    5,092.20x = 7,027.29 × 2,854.17
  4. Step 4: Simplify right side
    5,092.20x = 20,057,080.30
  5. Step 5: Solve for x
    x = 20,057,080.30/5,092.20
  6. Step 6: Final answer
    x = 3,938.78

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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.