Home / 7,243.75-9,996.38-4,100.95

Finding the Fourth Proportional to 7,243.75, 9,996.38 and 4,100.95

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Solution

The fourth proportional to 7,243.75, 9,996.38 and 4,100.95 is: 5,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.75 : 9,996.38 = 4,100.95 : x
  2. Step 2: Convert to fraction form
    7,243.75/9,996.38 = 4,100.95/x
  3. Step 3: Cross multiply
    7,243.75x = 9,996.38 × 4,100.95
  4. Step 4: Simplify right side
    7,243.75x = 40,994,654.56
  5. Step 5: Solve for x
    x = 40,994,654.56/7,243.75
  6. Step 6: Final answer
    x = 5,659.31

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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.