Home / 4,243.68-6,366.24-1,321.41

Finding the Fourth Proportional to 4,243.68, 6,366.24 and 1,321.41

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Solution

The fourth proportional to 4,243.68, 6,366.24 and 1,321.41 is: 1,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.68 : 6,366.24 = 1,321.41 : x
  2. Step 2: Convert to fraction form
    4,243.68/6,366.24 = 1,321.41/x
  3. Step 3: Cross multiply
    4,243.68x = 6,366.24 × 1,321.41
  4. Step 4: Simplify right side
    4,243.68x = 8,412,413.20
  5. Step 5: Solve for x
    x = 8,412,413.20/4,243.68
  6. Step 6: Final answer
    x = 1,982.34

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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.