Home / 6,917.06-9,545.78-3,932.78

Finding the Fourth Proportional to 6,917.06, 9,545.78 and 3,932.78

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Solution

The fourth proportional to 6,917.06, 9,545.78 and 3,932.78 is: 5,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.06 : 9,545.78 = 3,932.78 : x
  2. Step 2: Convert to fraction form
    6,917.06/9,545.78 = 3,932.78/x
  3. Step 3: Cross multiply
    6,917.06x = 9,545.78 × 3,932.78
  4. Step 4: Simplify right side
    6,917.06x = 37,541,452.67
  5. Step 5: Solve for x
    x = 37,541,452.67/6,917.06
  6. Step 6: Final answer
    x = 5,427.37

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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.