Home / 6,711.62-10,022.20-5,481.42

Finding the Fourth Proportional to 6,711.62, 10,022.20 and 5,481.42

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Solution

The fourth proportional to 6,711.62, 10,022.20 and 5,481.42 is: 8,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.62 : 10,022.20 = 5,481.42 : x
  2. Step 2: Convert to fraction form
    6,711.62/10,022.20 = 5,481.42/x
  3. Step 3: Cross multiply
    6,711.62x = 10,022.20 × 5,481.42
  4. Step 4: Simplify right side
    6,711.62x = 54,935,887.52
  5. Step 5: Solve for x
    x = 54,935,887.52/6,711.62
  6. Step 6: Final answer
    x = 8,185.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.