Home / 6,443.28-9,656.85-3,481.62

Finding the Fourth Proportional to 6,443.28, 9,656.85 and 3,481.62

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Solution

The fourth proportional to 6,443.28, 9,656.85 and 3,481.62 is: 5,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.28 : 9,656.85 = 3,481.62 : x
  2. Step 2: Convert to fraction form
    6,443.28/9,656.85 = 3,481.62/x
  3. Step 3: Cross multiply
    6,443.28x = 9,656.85 × 3,481.62
  4. Step 4: Simplify right side
    6,443.28x = 33,621,458.94
  5. Step 5: Solve for x
    x = 33,621,458.94/6,443.28
  6. Step 6: Final answer
    x = 5,218.07

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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.