Home / 7,962.60-11,940.66-3,578.88

Finding the Fourth Proportional to 7,962.60, 11,940.66 and 3,578.88

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Solution

The fourth proportional to 7,962.60, 11,940.66 and 3,578.88 is: 5,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.60 : 11,940.66 = 3,578.88 : x
  2. Step 2: Convert to fraction form
    7,962.60/11,940.66 = 3,578.88/x
  3. Step 3: Cross multiply
    7,962.60x = 11,940.66 × 3,578.88
  4. Step 4: Simplify right side
    7,962.60x = 42,734,189.26
  5. Step 5: Solve for x
    x = 42,734,189.26/7,962.60
  6. Step 6: Final answer
    x = 5,366.86

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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.