Home / 7,757.23-11,634.87-2,491.82

Finding the Fourth Proportional to 7,757.23, 11,634.87 and 2,491.82

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Solution

The fourth proportional to 7,757.23, 11,634.87 and 2,491.82 is: 3,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.23 : 11,634.87 = 2,491.82 : x
  2. Step 2: Convert to fraction form
    7,757.23/11,634.87 = 2,491.82/x
  3. Step 3: Cross multiply
    7,757.23x = 11,634.87 × 2,491.82
  4. Step 4: Simplify right side
    7,757.23x = 28,992,001.76
  5. Step 5: Solve for x
    x = 28,992,001.76/7,757.23
  6. Step 6: Final answer
    x = 3,737.42

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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.