Home / 7,867.44-11,791.44-3,972.96

Finding the Fourth Proportional to 7,867.44, 11,791.44 and 3,972.96

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Solution

The fourth proportional to 7,867.44, 11,791.44 and 3,972.96 is: 5,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.44 : 11,791.44 = 3,972.96 : x
  2. Step 2: Convert to fraction form
    7,867.44/11,791.44 = 3,972.96/x
  3. Step 3: Cross multiply
    7,867.44x = 11,791.44 × 3,972.96
  4. Step 4: Simplify right side
    7,867.44x = 46,846,919.46
  5. Step 5: Solve for x
    x = 46,846,919.46/7,867.44
  6. Step 6: Final answer
    x = 5,954.53

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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.