Home / 7,422.26-11,133.54-2,739.86

Finding the Fourth Proportional to 7,422.26, 11,133.54 and 2,739.86

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Solution

The fourth proportional to 7,422.26, 11,133.54 and 2,739.86 is: 4,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.26 : 11,133.54 = 2,739.86 : x
  2. Step 2: Convert to fraction form
    7,422.26/11,133.54 = 2,739.86/x
  3. Step 3: Cross multiply
    7,422.26x = 11,133.54 × 2,739.86
  4. Step 4: Simplify right side
    7,422.26x = 30,504,340.90
  5. Step 5: Solve for x
    x = 30,504,340.90/7,422.26
  6. Step 6: Final answer
    x = 4,109.85

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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.