Home / 4,243.11-6,356.43-2,388.57

Finding the Fourth Proportional to 4,243.11, 6,356.43 and 2,388.57

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Solution

The fourth proportional to 4,243.11, 6,356.43 and 2,388.57 is: 3,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.11 : 6,356.43 = 2,388.57 : x
  2. Step 2: Convert to fraction form
    4,243.11/6,356.43 = 2,388.57/x
  3. Step 3: Cross multiply
    4,243.11x = 6,356.43 × 2,388.57
  4. Step 4: Simplify right side
    4,243.11x = 15,182,778.01
  5. Step 5: Solve for x
    x = 15,182,778.01/4,243.11
  6. Step 6: Final answer
    x = 3,578.22

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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.