Home / 6,545.78-9,032.86-3,713.42

Finding the Fourth Proportional to 6,545.78, 9,032.86 and 3,713.42

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Solution

The fourth proportional to 6,545.78, 9,032.86 and 3,713.42 is: 5,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.78 : 9,032.86 = 3,713.42 : x
  2. Step 2: Convert to fraction form
    6,545.78/9,032.86 = 3,713.42/x
  3. Step 3: Cross multiply
    6,545.78x = 9,032.86 × 3,713.42
  4. Step 4: Simplify right side
    6,545.78x = 33,542,757.82
  5. Step 5: Solve for x
    x = 33,542,757.82/6,545.78
  6. Step 6: Final answer
    x = 5,124.33

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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.