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Finding the Fourth Proportional to 4,159.54, 6,243.89 and 4,144.11

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Solution

The fourth proportional to 4,159.54, 6,243.89 and 4,144.11 is: 6,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.54 : 6,243.89 = 4,144.11 : x
  2. Step 2: Convert to fraction form
    4,159.54/6,243.89 = 4,144.11/x
  3. Step 3: Cross multiply
    4,159.54x = 6,243.89 × 4,144.11
  4. Step 4: Simplify right side
    4,159.54x = 25,875,357.97
  5. Step 5: Solve for x
    x = 25,875,357.97/4,159.54
  6. Step 6: Final answer
    x = 6,220.73

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1.5x scale

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.