Home / 7,581.68-11,373.87-2,583.78

Finding the Fourth Proportional to 7,581.68, 11,373.87 and 2,583.78

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Solution

The fourth proportional to 7,581.68, 11,373.87 and 2,583.78 is: 3,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.68 : 11,373.87 = 2,583.78 : x
  2. Step 2: Convert to fraction form
    7,581.68/11,373.87 = 2,583.78/x
  3. Step 3: Cross multiply
    7,581.68x = 11,373.87 × 2,583.78
  4. Step 4: Simplify right side
    7,581.68x = 29,387,551.49
  5. Step 5: Solve for x
    x = 29,387,551.49/7,581.68
  6. Step 6: Final answer
    x = 3,876.13

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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.