Home / 8,105.25-11,185.26-4,379.25

Finding the Fourth Proportional to 8,105.25, 11,185.26 and 4,379.25

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Solution

The fourth proportional to 8,105.25, 11,185.26 and 4,379.25 is: 6,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.25 : 11,185.26 = 4,379.25 : x
  2. Step 2: Convert to fraction form
    8,105.25/11,185.26 = 4,379.25/x
  3. Step 3: Cross multiply
    8,105.25x = 11,185.26 × 4,379.25
  4. Step 4: Simplify right side
    8,105.25x = 48,983,049.86
  5. Step 5: Solve for x
    x = 48,983,049.86/8,105.25
  6. Step 6: Final answer
    x = 6,043.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.