Home / 5,067.60-7,601.40-3,220.80

Finding the Fourth Proportional to 5,067.60, 7,601.40 and 3,220.80

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Solution

The fourth proportional to 5,067.60, 7,601.40 and 3,220.80 is: 4,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.60 : 7,601.40 = 3,220.80 : x
  2. Step 2: Convert to fraction form
    5,067.60/7,601.40 = 3,220.80/x
  3. Step 3: Cross multiply
    5,067.60x = 7,601.40 × 3,220.80
  4. Step 4: Simplify right side
    5,067.60x = 24,482,589.12
  5. Step 5: Solve for x
    x = 24,482,589.12/5,067.60
  6. Step 6: Final answer
    x = 4,831.20

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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.