Home / 8,207.41-12,311.29-2,660.75

Finding the Fourth Proportional to 8,207.41, 12,311.29 and 2,660.75

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Solution

The fourth proportional to 8,207.41, 12,311.29 and 2,660.75 is: 3,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.41 : 12,311.29 = 2,660.75 : x
  2. Step 2: Convert to fraction form
    8,207.41/12,311.29 = 2,660.75/x
  3. Step 3: Cross multiply
    8,207.41x = 12,311.29 × 2,660.75
  4. Step 4: Simplify right side
    8,207.41x = 32,757,252.80
  5. Step 5: Solve for x
    x = 32,757,252.80/8,207.41
  6. Step 6: Final answer
    x = 3,991.18

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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.