Home / 6,569.50-9,067.43-4,331.78

Finding the Fourth Proportional to 6,569.50, 9,067.43 and 4,331.78

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Solution

The fourth proportional to 6,569.50, 9,067.43 and 4,331.78 is: 5,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,569.50 : 9,067.43 = 4,331.78 : x
  2. Step 2: Convert to fraction form
    6,569.50/9,067.43 = 4,331.78/x
  3. Step 3: Cross multiply
    6,569.50x = 9,067.43 × 4,331.78
  4. Step 4: Simplify right side
    6,569.50x = 39,278,111.93
  5. Step 5: Solve for x
    x = 39,278,111.93/6,569.50
  6. Step 6: Final answer
    x = 5,978.86

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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.