Home / 10,882.78-16,326.57-3,957.28

Finding the Fourth Proportional to 10,882.78, 16,326.57 and 3,957.28

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Solution

The fourth proportional to 10,882.78, 16,326.57 and 3,957.28 is: 5,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.78 : 16,326.57 = 3,957.28 : x
  2. Step 2: Convert to fraction form
    10,882.78/16,326.57 = 3,957.28/x
  3. Step 3: Cross multiply
    10,882.78x = 16,326.57 × 3,957.28
  4. Step 4: Simplify right side
    10,882.78x = 64,608,808.93
  5. Step 5: Solve for x
    x = 64,608,808.93/10,882.78
  6. Step 6: Final answer
    x = 5,936.79

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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.