Home / 8,734.24-13,107.84-4,120.48

Finding the Fourth Proportional to 8,734.24, 13,107.84 and 4,120.48

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Solution

The fourth proportional to 8,734.24, 13,107.84 and 4,120.48 is: 6,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.24 : 13,107.84 = 4,120.48 : x
  2. Step 2: Convert to fraction form
    8,734.24/13,107.84 = 4,120.48/x
  3. Step 3: Cross multiply
    8,734.24x = 13,107.84 × 4,120.48
  4. Step 4: Simplify right side
    8,734.24x = 54,010,592.56
  5. Step 5: Solve for x
    x = 54,010,592.56/8,734.24
  6. Step 6: Final answer
    x = 6,183.78

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1.5x scale

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.