Home / 9,078.12-13,619.91-3,233.97

Finding the Fourth Proportional to 9,078.12, 13,619.91 and 3,233.97

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Solution

The fourth proportional to 9,078.12, 13,619.91 and 3,233.97 is: 4,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.12 : 13,619.91 = 3,233.97 : x
  2. Step 2: Convert to fraction form
    9,078.12/13,619.91 = 3,233.97/x
  3. Step 3: Cross multiply
    9,078.12x = 13,619.91 × 3,233.97
  4. Step 4: Simplify right side
    9,078.12x = 44,046,380.34
  5. Step 5: Solve for x
    x = 44,046,380.34/9,078.12
  6. Step 6: Final answer
    x = 4,851.93

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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.