Home / 8,324.28-11,491.20-5,182.56

Finding the Fourth Proportional to 8,324.28, 11,491.20 and 5,182.56

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Solution

The fourth proportional to 8,324.28, 11,491.20 and 5,182.56 is: 7,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.28 : 11,491.20 = 5,182.56 : x
  2. Step 2: Convert to fraction form
    8,324.28/11,491.20 = 5,182.56/x
  3. Step 3: Cross multiply
    8,324.28x = 11,491.20 × 5,182.56
  4. Step 4: Simplify right side
    8,324.28x = 59,553,833.47
  5. Step 5: Solve for x
    x = 59,553,833.47/8,324.28
  6. Step 6: Final answer
    x = 7,154.23

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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.