Home / 7,583.68-11,376.87-2,585.78

Finding the Fourth Proportional to 7,583.68, 11,376.87 and 2,585.78

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Solution

The fourth proportional to 7,583.68, 11,376.87 and 2,585.78 is: 3,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.68 : 11,376.87 = 2,585.78 : x
  2. Step 2: Convert to fraction form
    7,583.68/11,376.87 = 2,585.78/x
  3. Step 3: Cross multiply
    7,583.68x = 11,376.87 × 2,585.78
  4. Step 4: Simplify right side
    7,583.68x = 29,418,082.91
  5. Step 5: Solve for x
    x = 29,418,082.91/7,583.68
  6. Step 6: Final answer
    x = 3,879.13

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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.