Home / 7,581.24-11,375.79-5,731.77

Finding the Fourth Proportional to 7,581.24, 11,375.79 and 5,731.77

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Solution

The fourth proportional to 7,581.24, 11,375.79 and 5,731.77 is: 8,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.24 : 11,375.79 = 5,731.77 : x
  2. Step 2: Convert to fraction form
    7,581.24/11,375.79 = 5,731.77/x
  3. Step 3: Cross multiply
    7,581.24x = 11,375.79 × 5,731.77
  4. Step 4: Simplify right side
    7,581.24x = 65,203,411.85
  5. Step 5: Solve for x
    x = 65,203,411.85/7,581.24
  6. Step 6: Final answer
    x = 8,600.63

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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.