Home / 8,337.28-12,458.09-6,351.88

Finding the Fourth Proportional to 8,337.28, 12,458.09 and 6,351.88

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Solution

The fourth proportional to 8,337.28, 12,458.09 and 6,351.88 is: 9,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.28 : 12,458.09 = 6,351.88 : x
  2. Step 2: Convert to fraction form
    8,337.28/12,458.09 = 6,351.88/x
  3. Step 3: Cross multiply
    8,337.28x = 12,458.09 × 6,351.88
  4. Step 4: Simplify right side
    8,337.28x = 79,132,292.71
  5. Step 5: Solve for x
    x = 79,132,292.71/8,337.28
  6. Step 6: Final answer
    x = 9,491.38

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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.