Home / 5,091.94-7,027.17-2,854.54

Finding the Fourth Proportional to 5,091.94, 7,027.17 and 2,854.54

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Solution

The fourth proportional to 5,091.94, 7,027.17 and 2,854.54 is: 3,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.94 : 7,027.17 = 2,854.54 : x
  2. Step 2: Convert to fraction form
    5,091.94/7,027.17 = 2,854.54/x
  3. Step 3: Cross multiply
    5,091.94x = 7,027.17 × 2,854.54
  4. Step 4: Simplify right side
    5,091.94x = 20,059,337.85
  5. Step 5: Solve for x
    x = 20,059,337.85/5,091.94
  6. Step 6: Final answer
    x = 3,939.43

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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.