Home / 7,974.14-11,963.78-2,428.56

Finding the Fourth Proportional to 7,974.14, 11,963.78 and 2,428.56

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Solution

The fourth proportional to 7,974.14, 11,963.78 and 2,428.56 is: 3,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.14 : 11,963.78 = 2,428.56 : x
  2. Step 2: Convert to fraction form
    7,974.14/11,963.78 = 2,428.56/x
  3. Step 3: Cross multiply
    7,974.14x = 11,963.78 × 2,428.56
  4. Step 4: Simplify right side
    7,974.14x = 29,054,685.60
  5. Step 5: Solve for x
    x = 29,054,685.60/7,974.14
  6. Step 6: Final answer
    x = 3,643.61

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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.