Home / 8,581.50-12,869.52-2,736.75

Finding the Fourth Proportional to 8,581.50, 12,869.52 and 2,736.75

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Solution

The fourth proportional to 8,581.50, 12,869.52 and 2,736.75 is: 4,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.50 : 12,869.52 = 2,736.75 : x
  2. Step 2: Convert to fraction form
    8,581.50/12,869.52 = 2,736.75/x
  3. Step 3: Cross multiply
    8,581.50x = 12,869.52 × 2,736.75
  4. Step 4: Simplify right side
    8,581.50x = 35,220,658.86
  5. Step 5: Solve for x
    x = 35,220,658.86/8,581.50
  6. Step 6: Final answer
    x = 4,104.25

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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.