Home / 7,942.49-11,909.88-2,394.80

Finding the Fourth Proportional to 7,942.49, 11,909.88 and 2,394.80

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Solution

The fourth proportional to 7,942.49, 11,909.88 and 2,394.80 is: 3,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.49 : 11,909.88 = 2,394.80 : x
  2. Step 2: Convert to fraction form
    7,942.49/11,909.88 = 2,394.80/x
  3. Step 3: Cross multiply
    7,942.49x = 11,909.88 × 2,394.80
  4. Step 4: Simplify right side
    7,942.49x = 28,521,780.62
  5. Step 5: Solve for x
    x = 28,521,780.62/7,942.49
  6. Step 6: Final answer
    x = 3,591.04

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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.