Home / 7,147.54-10,715.14-3,452.36

Finding the Fourth Proportional to 7,147.54, 10,715.14 and 3,452.36

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Solution

The fourth proportional to 7,147.54, 10,715.14 and 3,452.36 is: 5,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.54 : 10,715.14 = 3,452.36 : x
  2. Step 2: Convert to fraction form
    7,147.54/10,715.14 = 3,452.36/x
  3. Step 3: Cross multiply
    7,147.54x = 10,715.14 × 3,452.36
  4. Step 4: Simplify right side
    7,147.54x = 36,992,520.73
  5. Step 5: Solve for x
    x = 36,992,520.73/7,147.54
  6. Step 6: Final answer
    x = 5,175.56

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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.