Home / 9,288.78-13,932.68-3,047.97

Finding the Fourth Proportional to 9,288.78, 13,932.68 and 3,047.97

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Solution

The fourth proportional to 9,288.78, 13,932.68 and 3,047.97 is: 4,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.78 : 13,932.68 = 3,047.97 : x
  2. Step 2: Convert to fraction form
    9,288.78/13,932.68 = 3,047.97/x
  3. Step 3: Cross multiply
    9,288.78x = 13,932.68 × 3,047.97
  4. Step 4: Simplify right side
    9,288.78x = 42,466,390.66
  5. Step 5: Solve for x
    x = 42,466,390.66/9,288.78
  6. Step 6: Final answer
    x = 4,571.79

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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.