Home / 4,481.28-6,722.52-1,559.21

Finding the Fourth Proportional to 4,481.28, 6,722.52 and 1,559.21

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Solution

The fourth proportional to 4,481.28, 6,722.52 and 1,559.21 is: 2,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.28 : 6,722.52 = 1,559.21 : x
  2. Step 2: Convert to fraction form
    4,481.28/6,722.52 = 1,559.21/x
  3. Step 3: Cross multiply
    4,481.28x = 6,722.52 × 1,559.21
  4. Step 4: Simplify right side
    4,481.28x = 10,481,786.80
  5. Step 5: Solve for x
    x = 10,481,786.80/4,481.28
  6. Step 6: Final answer
    x = 2,339.02

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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.