Home / 8,268.32-12,403.88-4,108.56

Finding the Fourth Proportional to 8,268.32, 12,403.88 and 4,108.56

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Solution

The fourth proportional to 8,268.32, 12,403.88 and 4,108.56 is: 6,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.32 : 12,403.88 = 4,108.56 : x
  2. Step 2: Convert to fraction form
    8,268.32/12,403.88 = 4,108.56/x
  3. Step 3: Cross multiply
    8,268.32x = 12,403.88 × 4,108.56
  4. Step 4: Simplify right side
    8,268.32x = 50,962,085.21
  5. Step 5: Solve for x
    x = 50,962,085.21/8,268.32
  6. Step 6: Final answer
    x = 6,163.54

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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.