Home / 8,727.19-13,083.04-3,179.50

Finding the Fourth Proportional to 8,727.19, 13,083.04 and 3,179.50

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Solution

The fourth proportional to 8,727.19, 13,083.04 and 3,179.50 is: 4,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.19 : 13,083.04 = 3,179.50 : x
  2. Step 2: Convert to fraction form
    8,727.19/13,083.04 = 3,179.50/x
  3. Step 3: Cross multiply
    8,727.19x = 13,083.04 × 3,179.50
  4. Step 4: Simplify right side
    8,727.19x = 41,597,525.68
  5. Step 5: Solve for x
    x = 41,597,525.68/8,727.19
  6. Step 6: Final answer
    x = 4,766.43

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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.