Home / 7,940.84-11,912.92-2,394.58

Finding the Fourth Proportional to 7,940.84, 11,912.92 and 2,394.58

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Solution

The fourth proportional to 7,940.84, 11,912.92 and 2,394.58 is: 3,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.84 : 11,912.92 = 2,394.58 : x
  2. Step 2: Convert to fraction form
    7,940.84/11,912.92 = 2,394.58/x
  3. Step 3: Cross multiply
    7,940.84x = 11,912.92 × 2,394.58
  4. Step 4: Simplify right side
    7,940.84x = 28,526,439.97
  5. Step 5: Solve for x
    x = 28,526,439.97/7,940.84
  6. Step 6: Final answer
    x = 3,592.37

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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.