Home / 5,144.80-7,698.96-3,197.92

Finding the Fourth Proportional to 5,144.80, 7,698.96 and 3,197.92

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Solution

The fourth proportional to 5,144.80, 7,698.96 and 3,197.92 is: 4,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.80 : 7,698.96 = 3,197.92 : x
  2. Step 2: Convert to fraction form
    5,144.80/7,698.96 = 3,197.92/x
  3. Step 3: Cross multiply
    5,144.80x = 7,698.96 × 3,197.92
  4. Step 4: Simplify right side
    5,144.80x = 24,620,658.16
  5. Step 5: Solve for x
    x = 24,620,658.16/5,144.80
  6. Step 6: Final answer
    x = 4,785.54

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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.