Home / 6,928.97-10,375.21-4,149.05

Finding the Fourth Proportional to 6,928.97, 10,375.21 and 4,149.05

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Solution

The fourth proportional to 6,928.97, 10,375.21 and 4,149.05 is: 6,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.97 : 10,375.21 = 4,149.05 : x
  2. Step 2: Convert to fraction form
    6,928.97/10,375.21 = 4,149.05/x
  3. Step 3: Cross multiply
    6,928.97x = 10,375.21 × 4,149.05
  4. Step 4: Simplify right side
    6,928.97x = 43,047,265.05
  5. Step 5: Solve for x
    x = 43,047,265.05/6,928.97
  6. Step 6: Final answer
    x = 6,212.65

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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.