Home / 7,974.84-11,963.72-2,427.56

Finding the Fourth Proportional to 7,974.84, 11,963.72 and 2,427.56

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Solution

The fourth proportional to 7,974.84, 11,963.72 and 2,427.56 is: 3,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.84 : 11,963.72 = 2,427.56 : x
  2. Step 2: Convert to fraction form
    7,974.84/11,963.72 = 2,427.56/x
  3. Step 3: Cross multiply
    7,974.84x = 11,963.72 × 2,427.56
  4. Step 4: Simplify right side
    7,974.84x = 29,042,648.12
  5. Step 5: Solve for x
    x = 29,042,648.12/7,974.84
  6. Step 6: Final answer
    x = 3,641.78

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1.5x scale

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.