Home / 8,581.53-12,872.76-2,738.58

Finding the Fourth Proportional to 8,581.53, 12,872.76 and 2,738.58

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Solution

The fourth proportional to 8,581.53, 12,872.76 and 2,738.58 is: 4,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.53 : 12,872.76 = 2,738.58 : x
  2. Step 2: Convert to fraction form
    8,581.53/12,872.76 = 2,738.58/x
  3. Step 3: Cross multiply
    8,581.53x = 12,872.76 × 2,738.58
  4. Step 4: Simplify right side
    8,581.53x = 35,253,083.08
  5. Step 5: Solve for x
    x = 35,253,083.08/8,581.53
  6. Step 6: Final answer
    x = 4,108.02

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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.