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Finding the Fourth Proportional to 5,092.71, 7,027.11 and 2,854.68

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Solution

The fourth proportional to 5,092.71, 7,027.11 and 2,854.68 is: 3,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.71 : 7,027.11 = 2,854.68 : x
  2. Step 2: Convert to fraction form
    5,092.71/7,027.11 = 2,854.68/x
  3. Step 3: Cross multiply
    5,092.71x = 7,027.11 × 2,854.68
  4. Step 4: Simplify right side
    5,092.71x = 20,060,150.37
  5. Step 5: Solve for x
    x = 20,060,150.37/5,092.71
  6. Step 6: Final answer
    x = 3,938.99

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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.