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Finding the Fourth Proportional to 8,081.71, 12,122.22 and 2,238.18

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Solution

The fourth proportional to 8,081.71, 12,122.22 and 2,238.18 is: 3,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.71 : 12,122.22 = 2,238.18 : x
  2. Step 2: Convert to fraction form
    8,081.71/12,122.22 = 2,238.18/x
  3. Step 3: Cross multiply
    8,081.71x = 12,122.22 × 2,238.18
  4. Step 4: Simplify right side
    8,081.71x = 27,131,710.36
  5. Step 5: Solve for x
    x = 27,131,710.36/8,081.71
  6. Step 6: Final answer
    x = 3,357.17

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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.