Home / 5,247.49-7,863.31-3,165.18

Finding the Fourth Proportional to 5,247.49, 7,863.31 and 3,165.18

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Solution

The fourth proportional to 5,247.49, 7,863.31 and 3,165.18 is: 4,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.49 : 7,863.31 = 3,165.18 : x
  2. Step 2: Convert to fraction form
    5,247.49/7,863.31 = 3,165.18/x
  3. Step 3: Cross multiply
    5,247.49x = 7,863.31 × 3,165.18
  4. Step 4: Simplify right side
    5,247.49x = 24,888,791.55
  5. Step 5: Solve for x
    x = 24,888,791.55/5,247.49
  6. Step 6: Final answer
    x = 4,742.99

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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.