Home / 8,727.35-13,091.09-3,180.87

Finding the Fourth Proportional to 8,727.35, 13,091.09 and 3,180.87

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Solution

The fourth proportional to 8,727.35, 13,091.09 and 3,180.87 is: 4,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.35 : 13,091.09 = 3,180.87 : x
  2. Step 2: Convert to fraction form
    8,727.35/13,091.09 = 3,180.87/x
  3. Step 3: Cross multiply
    8,727.35x = 13,091.09 × 3,180.87
  4. Step 4: Simplify right side
    8,727.35x = 41,641,039.54
  5. Step 5: Solve for x
    x = 41,641,039.54/8,727.35
  6. Step 6: Final answer
    x = 4,771.33

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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.