Home / 8,091.27-12,129.62-2,895.93

Finding the Fourth Proportional to 8,091.27, 12,129.62 and 2,895.93

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Solution

The fourth proportional to 8,091.27, 12,129.62 and 2,895.93 is: 4,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.27 : 12,129.62 = 2,895.93 : x
  2. Step 2: Convert to fraction form
    8,091.27/12,129.62 = 2,895.93/x
  3. Step 3: Cross multiply
    8,091.27x = 12,129.62 × 2,895.93
  4. Step 4: Simplify right side
    8,091.27x = 35,126,515.97
  5. Step 5: Solve for x
    x = 35,126,515.97/8,091.27
  6. Step 6: Final answer
    x = 4,341.29

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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.