Home / 8,992.20-13,489.28-3,450.25

Finding the Fourth Proportional to 8,992.20, 13,489.28 and 3,450.25

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Solution

The fourth proportional to 8,992.20, 13,489.28 and 3,450.25 is: 5,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.20 : 13,489.28 = 3,450.25 : x
  2. Step 2: Convert to fraction form
    8,992.20/13,489.28 = 3,450.25/x
  3. Step 3: Cross multiply
    8,992.20x = 13,489.28 × 3,450.25
  4. Step 4: Simplify right side
    8,992.20x = 46,541,388.32
  5. Step 5: Solve for x
    x = 46,541,388.32/8,992.20
  6. Step 6: Final answer
    x = 5,175.75

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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.