Home / 8,738.66-13,107.92-5,229.64

Finding the Fourth Proportional to 8,738.66, 13,107.92 and 5,229.64

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Solution

The fourth proportional to 8,738.66, 13,107.92 and 5,229.64 is: 7,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.66 : 13,107.92 = 5,229.64 : x
  2. Step 2: Convert to fraction form
    8,738.66/13,107.92 = 5,229.64/x
  3. Step 3: Cross multiply
    8,738.66x = 13,107.92 × 5,229.64
  4. Step 4: Simplify right side
    8,738.66x = 68,549,637.21
  5. Step 5: Solve for x
    x = 68,549,637.21/8,738.66
  6. Step 6: Final answer
    x = 7,844.42

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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.