Home / 6,310.72-9,458.34-3,149.60

Finding the Fourth Proportional to 6,310.72, 9,458.34 and 3,149.60

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Solution

The fourth proportional to 6,310.72, 9,458.34 and 3,149.60 is: 4,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.72 : 9,458.34 = 3,149.60 : x
  2. Step 2: Convert to fraction form
    6,310.72/9,458.34 = 3,149.60/x
  3. Step 3: Cross multiply
    6,310.72x = 9,458.34 × 3,149.60
  4. Step 4: Simplify right side
    6,310.72x = 29,789,928.56
  5. Step 5: Solve for x
    x = 29,789,928.56/6,310.72
  6. Step 6: Final answer
    x = 4,720.53

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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.