Home / 7,662.28-11,481.41-5,326.82

Finding the Fourth Proportional to 7,662.28, 11,481.41 and 5,326.82

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Solution

The fourth proportional to 7,662.28, 11,481.41 and 5,326.82 is: 7,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.28 : 11,481.41 = 5,326.82 : x
  2. Step 2: Convert to fraction form
    7,662.28/11,481.41 = 5,326.82/x
  3. Step 3: Cross multiply
    7,662.28x = 11,481.41 × 5,326.82
  4. Step 4: Simplify right side
    7,662.28x = 61,159,377.78
  5. Step 5: Solve for x
    x = 61,159,377.78/7,662.28
  6. Step 6: Final answer
    x = 7,981.88

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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.