Home / 8,725.26-13,091.39-3,179.00

Finding the Fourth Proportional to 8,725.26, 13,091.39 and 3,179.00

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Solution

The fourth proportional to 8,725.26, 13,091.39 and 3,179.00 is: 4,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.26 : 13,091.39 = 3,179.00 : x
  2. Step 2: Convert to fraction form
    8,725.26/13,091.39 = 3,179.00/x
  3. Step 3: Cross multiply
    8,725.26x = 13,091.39 × 3,179.00
  4. Step 4: Simplify right side
    8,725.26x = 41,617,447.46
  5. Step 5: Solve for x
    x = 41,617,447.46/8,725.26
  6. Step 6: Final answer
    x = 4,769.77

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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.