Home / 7,149.52-10,724.62-3,454.85

Finding the Fourth Proportional to 7,149.52, 10,724.62 and 3,454.85

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Solution

The fourth proportional to 7,149.52, 10,724.62 and 3,454.85 is: 5,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.52 : 10,724.62 = 3,454.85 : x
  2. Step 2: Convert to fraction form
    7,149.52/10,724.62 = 3,454.85/x
  3. Step 3: Cross multiply
    7,149.52x = 10,724.62 × 3,454.85
  4. Step 4: Simplify right side
    7,149.52x = 37,051,971.58
  5. Step 5: Solve for x
    x = 37,051,971.58/7,149.52
  6. Step 6: Final answer
    x = 5,182.44

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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.