Home / 8,423.57-12,637.78-2,581.04

Finding the Fourth Proportional to 8,423.57, 12,637.78 and 2,581.04

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Solution

The fourth proportional to 8,423.57, 12,637.78 and 2,581.04 is: 3,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.57 : 12,637.78 = 2,581.04 : x
  2. Step 2: Convert to fraction form
    8,423.57/12,637.78 = 2,581.04/x
  3. Step 3: Cross multiply
    8,423.57x = 12,637.78 × 2,581.04
  4. Step 4: Simplify right side
    8,423.57x = 32,618,546.05
  5. Step 5: Solve for x
    x = 32,618,546.05/8,423.57
  6. Step 6: Final answer
    x = 3,872.30

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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.