Home / 7,974.32-11,962.52-2,427.76

Finding the Fourth Proportional to 7,974.32, 11,962.52 and 2,427.76

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Solution

The fourth proportional to 7,974.32, 11,962.52 and 2,427.76 is: 3,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.32 : 11,962.52 = 2,427.76 : x
  2. Step 2: Convert to fraction form
    7,974.32/11,962.52 = 2,427.76/x
  3. Step 3: Cross multiply
    7,974.32x = 11,962.52 × 2,427.76
  4. Step 4: Simplify right side
    7,974.32x = 29,042,127.56
  5. Step 5: Solve for x
    x = 29,042,127.56/7,974.32
  6. Step 6: Final answer
    x = 3,641.96

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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.