Home / 8,247.43-12,366.15-3,243.81

Finding the Fourth Proportional to 8,247.43, 12,366.15 and 3,243.81

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Solution

The fourth proportional to 8,247.43, 12,366.15 and 3,243.81 is: 4,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.43 : 12,366.15 = 3,243.81 : x
  2. Step 2: Convert to fraction form
    8,247.43/12,366.15 = 3,243.81/x
  3. Step 3: Cross multiply
    8,247.43x = 12,366.15 × 3,243.81
  4. Step 4: Simplify right side
    8,247.43x = 40,113,441.03
  5. Step 5: Solve for x
    x = 40,113,441.03/8,247.43
  6. Step 6: Final answer
    x = 4,863.75

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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.