Home / 7,949.31-11,923.42-3,268.11

Finding the Fourth Proportional to 7,949.31, 11,923.42 and 3,268.11

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Solution

The fourth proportional to 7,949.31, 11,923.42 and 3,268.11 is: 4,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.31 : 11,923.42 = 3,268.11 : x
  2. Step 2: Convert to fraction form
    7,949.31/11,923.42 = 3,268.11/x
  3. Step 3: Cross multiply
    7,949.31x = 11,923.42 × 3,268.11
  4. Step 4: Simplify right side
    7,949.31x = 38,967,048.14
  5. Step 5: Solve for x
    x = 38,967,048.14/7,949.31
  6. Step 6: Final answer
    x = 4,901.94

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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.