Home / 7,481.60-11,229.34-3,786.46

Finding the Fourth Proportional to 7,481.60, 11,229.34 and 3,786.46

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Solution

The fourth proportional to 7,481.60, 11,229.34 and 3,786.46 is: 5,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.60 : 11,229.34 = 3,786.46 : x
  2. Step 2: Convert to fraction form
    7,481.60/11,229.34 = 3,786.46/x
  3. Step 3: Cross multiply
    7,481.60x = 11,229.34 × 3,786.46
  4. Step 4: Simplify right side
    7,481.60x = 42,519,446.74
  5. Step 5: Solve for x
    x = 42,519,446.74/7,481.60
  6. Step 6: Final answer
    x = 5,683.20

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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.