Home / 7,175.12-10,760.60-2,791.60

Finding the Fourth Proportional to 7,175.12, 10,760.60 and 2,791.60

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Solution

The fourth proportional to 7,175.12, 10,760.60 and 2,791.60 is: 4,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.12 : 10,760.60 = 2,791.60 : x
  2. Step 2: Convert to fraction form
    7,175.12/10,760.60 = 2,791.60/x
  3. Step 3: Cross multiply
    7,175.12x = 10,760.60 × 2,791.60
  4. Step 4: Simplify right side
    7,175.12x = 30,039,290.96
  5. Step 5: Solve for x
    x = 30,039,290.96/7,175.12
  6. Step 6: Final answer
    x = 4,186.59

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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.