Home / 8,081.82-12,121.36-2,237.06

Finding the Fourth Proportional to 8,081.82, 12,121.36 and 2,237.06

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Solution

The fourth proportional to 8,081.82, 12,121.36 and 2,237.06 is: 3,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.82 : 12,121.36 = 2,237.06 : x
  2. Step 2: Convert to fraction form
    8,081.82/12,121.36 = 2,237.06/x
  3. Step 3: Cross multiply
    8,081.82x = 12,121.36 × 2,237.06
  4. Step 4: Simplify right side
    8,081.82x = 27,116,234.31
  5. Step 5: Solve for x
    x = 27,116,234.31/8,081.82
  6. Step 6: Final answer
    x = 3,355.21

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1.5x scale

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.