Home / 6,780.08-10,170.46-2,163.44

Finding the Fourth Proportional to 6,780.08, 10,170.46 and 2,163.44

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Solution

The fourth proportional to 6,780.08, 10,170.46 and 2,163.44 is: 3,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.08 : 10,170.46 = 2,163.44 : x
  2. Step 2: Convert to fraction form
    6,780.08/10,170.46 = 2,163.44/x
  3. Step 3: Cross multiply
    6,780.08x = 10,170.46 × 2,163.44
  4. Step 4: Simplify right side
    6,780.08x = 22,003,179.98
  5. Step 5: Solve for x
    x = 22,003,179.98/6,780.08
  6. Step 6: Final answer
    x = 3,245.27

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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.