Home / 8,263.86-12,399.45-3,343.11

Finding the Fourth Proportional to 8,263.86, 12,399.45 and 3,343.11

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Solution

The fourth proportional to 8,263.86, 12,399.45 and 3,343.11 is: 5,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.86 : 12,399.45 = 3,343.11 : x
  2. Step 2: Convert to fraction form
    8,263.86/12,399.45 = 3,343.11/x
  3. Step 3: Cross multiply
    8,263.86x = 12,399.45 × 3,343.11
  4. Step 4: Simplify right side
    8,263.86x = 41,452,725.29
  5. Step 5: Solve for x
    x = 41,452,725.29/8,263.86
  6. Step 6: Final answer
    x = 5,016.15

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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.