Home / 4,442.29-6,661.11-1,321.87

Finding the Fourth Proportional to 4,442.29, 6,661.11 and 1,321.87

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Solution

The fourth proportional to 4,442.29, 6,661.11 and 1,321.87 is: 1,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.29 : 6,661.11 = 1,321.87 : x
  2. Step 2: Convert to fraction form
    4,442.29/6,661.11 = 1,321.87/x
  3. Step 3: Cross multiply
    4,442.29x = 6,661.11 × 1,321.87
  4. Step 4: Simplify right side
    4,442.29x = 8,805,121.48
  5. Step 5: Solve for x
    x = 8,805,121.48/4,442.29
  6. Step 6: Final answer
    x = 1,982.11

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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.