Home / 6,112.52-9,170.75-2,781.96

Finding the Fourth Proportional to 6,112.52, 9,170.75 and 2,781.96

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Solution

The fourth proportional to 6,112.52, 9,170.75 and 2,781.96 is: 4,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.52 : 9,170.75 = 2,781.96 : x
  2. Step 2: Convert to fraction form
    6,112.52/9,170.75 = 2,781.96/x
  3. Step 3: Cross multiply
    6,112.52x = 9,170.75 × 2,781.96
  4. Step 4: Simplify right side
    6,112.52x = 25,512,678.60
  5. Step 5: Solve for x
    x = 25,512,678.60/6,112.52
  6. Step 6: Final answer
    x = 4,173.84

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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.