Home / 5,456.79-8,170.50-2,854.26

Finding the Fourth Proportional to 5,456.79, 8,170.50 and 2,854.26

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Solution

The fourth proportional to 5,456.79, 8,170.50 and 2,854.26 is: 4,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.79 : 8,170.50 = 2,854.26 : x
  2. Step 2: Convert to fraction form
    5,456.79/8,170.50 = 2,854.26/x
  3. Step 3: Cross multiply
    5,456.79x = 8,170.50 × 2,854.26
  4. Step 4: Simplify right side
    5,456.79x = 23,320,731.33
  5. Step 5: Solve for x
    x = 23,320,731.33/5,456.79
  6. Step 6: Final answer
    x = 4,273.71

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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.