Home / 7,452.72-11,180.81-2,187.52

Finding the Fourth Proportional to 7,452.72, 11,180.81 and 2,187.52

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Solution

The fourth proportional to 7,452.72, 11,180.81 and 2,187.52 is: 3,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.72 : 11,180.81 = 2,187.52 : x
  2. Step 2: Convert to fraction form
    7,452.72/11,180.81 = 2,187.52/x
  3. Step 3: Cross multiply
    7,452.72x = 11,180.81 × 2,187.52
  4. Step 4: Simplify right side
    7,452.72x = 24,458,245.49
  5. Step 5: Solve for x
    x = 24,458,245.49/7,452.72
  6. Step 6: Final answer
    x = 3,281.79

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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.