Home / 8,303.28-12,437.91-6,650.88

Finding the Fourth Proportional to 8,303.28, 12,437.91 and 6,650.88

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Solution

The fourth proportional to 8,303.28, 12,437.91 and 6,650.88 is: 9,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.28 : 12,437.91 = 6,650.88 : x
  2. Step 2: Convert to fraction form
    8,303.28/12,437.91 = 6,650.88/x
  3. Step 3: Cross multiply
    8,303.28x = 12,437.91 × 6,650.88
  4. Step 4: Simplify right side
    8,303.28x = 82,723,046.86
  5. Step 5: Solve for x
    x = 82,723,046.86/8,303.28
  6. Step 6: Final answer
    x = 9,962.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.