Home / 7,615.22-11,424.92-2,618.66

Finding the Fourth Proportional to 7,615.22, 11,424.92 and 2,618.66

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Solution

The fourth proportional to 7,615.22, 11,424.92 and 2,618.66 is: 3,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.22 : 11,424.92 = 2,618.66 : x
  2. Step 2: Convert to fraction form
    7,615.22/11,424.92 = 2,618.66/x
  3. Step 3: Cross multiply
    7,615.22x = 11,424.92 × 2,618.66
  4. Step 4: Simplify right side
    7,615.22x = 29,917,996.48
  5. Step 5: Solve for x
    x = 29,917,996.48/7,615.22
  6. Step 6: Final answer
    x = 3,928.71

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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.