Home / 8,734.57-13,101.75-3,185.93

Finding the Fourth Proportional to 8,734.57, 13,101.75 and 3,185.93

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Solution

The fourth proportional to 8,734.57, 13,101.75 and 3,185.93 is: 4,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.57 : 13,101.75 = 3,185.93 : x
  2. Step 2: Convert to fraction form
    8,734.57/13,101.75 = 3,185.93/x
  3. Step 3: Cross multiply
    8,734.57x = 13,101.75 × 3,185.93
  4. Step 4: Simplify right side
    8,734.57x = 41,741,291.13
  5. Step 5: Solve for x
    x = 41,741,291.13/8,734.57
  6. Step 6: Final answer
    x = 4,778.86

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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.