Home / 7,982.03-11,972.73-4,291.43

Finding the Fourth Proportional to 7,982.03, 11,972.73 and 4,291.43

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Solution

The fourth proportional to 7,982.03, 11,972.73 and 4,291.43 is: 6,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.03 : 11,972.73 = 4,291.43 : x
  2. Step 2: Convert to fraction form
    7,982.03/11,972.73 = 4,291.43/x
  3. Step 3: Cross multiply
    7,982.03x = 11,972.73 × 4,291.43
  4. Step 4: Simplify right side
    7,982.03x = 51,380,132.70
  5. Step 5: Solve for x
    x = 51,380,132.70/7,982.03
  6. Step 6: Final answer
    x = 6,436.98

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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.