Home / 7,231.20-10,843.60-3,336.80

Finding the Fourth Proportional to 7,231.20, 10,843.60 and 3,336.80

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Solution

The fourth proportional to 7,231.20, 10,843.60 and 3,336.80 is: 5,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.20 : 10,843.60 = 3,336.80 : x
  2. Step 2: Convert to fraction form
    7,231.20/10,843.60 = 3,336.80/x
  3. Step 3: Cross multiply
    7,231.20x = 10,843.60 × 3,336.80
  4. Step 4: Simplify right side
    7,231.20x = 36,182,924.48
  5. Step 5: Solve for x
    x = 36,182,924.48/7,231.20
  6. Step 6: Final answer
    x = 5,003.72

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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.