Home / 8,105.06-11,184.99-4,379.06

Finding the Fourth Proportional to 8,105.06, 11,184.99 and 4,379.06

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Solution

The fourth proportional to 8,105.06, 11,184.99 and 4,379.06 is: 6,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.06 : 11,184.99 = 4,379.06 : x
  2. Step 2: Convert to fraction form
    8,105.06/11,184.99 = 4,379.06/x
  3. Step 3: Cross multiply
    8,105.06x = 11,184.99 × 4,379.06
  4. Step 4: Simplify right side
    8,105.06x = 48,979,753.85
  5. Step 5: Solve for x
    x = 48,979,753.85/8,105.06
  6. Step 6: Final answer
    x = 6,043.11

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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.