Home / 3,999.25-5,521.80-3,252.03

Finding the Fourth Proportional to 3,999.25, 5,521.80 and 3,252.03

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Solution

The fourth proportional to 3,999.25, 5,521.80 and 3,252.03 is: 4,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.25 : 5,521.80 = 3,252.03 : x
  2. Step 2: Convert to fraction form
    3,999.25/5,521.80 = 3,252.03/x
  3. Step 3: Cross multiply
    3,999.25x = 5,521.80 × 3,252.03
  4. Step 4: Simplify right side
    3,999.25x = 17,957,059.25
  5. Step 5: Solve for x
    x = 17,957,059.25/3,999.25
  6. Step 6: Final answer
    x = 4,490.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.