Home / 7,448.92-11,177.31-3,291.79

Finding the Fourth Proportional to 7,448.92, 11,177.31 and 3,291.79

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Solution

The fourth proportional to 7,448.92, 11,177.31 and 3,291.79 is: 4,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.92 : 11,177.31 = 3,291.79 : x
  2. Step 2: Convert to fraction form
    7,448.92/11,177.31 = 3,291.79/x
  3. Step 3: Cross multiply
    7,448.92x = 11,177.31 × 3,291.79
  4. Step 4: Simplify right side
    7,448.92x = 36,793,357.28
  5. Step 5: Solve for x
    x = 36,793,357.28/7,448.92
  6. Step 6: Final answer
    x = 4,939.42

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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.