Home / 8,061.13-12,091.71-2,218.21

Finding the Fourth Proportional to 8,061.13, 12,091.71 and 2,218.21

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Solution

The fourth proportional to 8,061.13, 12,091.71 and 2,218.21 is: 3,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.13 : 12,091.71 = 2,218.21 : x
  2. Step 2: Convert to fraction form
    8,061.13/12,091.71 = 2,218.21/x
  3. Step 3: Cross multiply
    8,061.13x = 12,091.71 × 2,218.21
  4. Step 4: Simplify right side
    8,061.13x = 26,821,952.04
  5. Step 5: Solve for x
    x = 26,821,952.04/8,061.13
  6. Step 6: Final answer
    x = 3,327.32

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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.