Home / 7,882.97-11,824.45-2,688.89

Finding the Fourth Proportional to 7,882.97, 11,824.45 and 2,688.89

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Solution

The fourth proportional to 7,882.97, 11,824.45 and 2,688.89 is: 4,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.97 : 11,824.45 = 2,688.89 : x
  2. Step 2: Convert to fraction form
    7,882.97/11,824.45 = 2,688.89/x
  3. Step 3: Cross multiply
    7,882.97x = 11,824.45 × 2,688.89
  4. Step 4: Simplify right side
    7,882.97x = 31,794,579.52
  5. Step 5: Solve for x
    x = 31,794,579.52/7,882.97
  6. Step 6: Final answer
    x = 4,033.33

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Similar ratio
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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.