Home / 7,493.62-11,240.42-2,228.60

Finding the Fourth Proportional to 7,493.62, 11,240.42 and 2,228.60

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Solution

The fourth proportional to 7,493.62, 11,240.42 and 2,228.60 is: 3,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.62 : 11,240.42 = 2,228.60 : x
  2. Step 2: Convert to fraction form
    7,493.62/11,240.42 = 2,228.60/x
  3. Step 3: Cross multiply
    7,493.62x = 11,240.42 × 2,228.60
  4. Step 4: Simplify right side
    7,493.62x = 25,050,433.68
  5. Step 5: Solve for x
    x = 25,050,433.68/7,493.62
  6. Step 6: Final answer
    x = 3,342.90

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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.