Home / 4,147.28-6,219.96-2,662.02

Finding the Fourth Proportional to 4,147.28, 6,219.96 and 2,662.02

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Solution

The fourth proportional to 4,147.28, 6,219.96 and 2,662.02 is: 3,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.28 : 6,219.96 = 2,662.02 : x
  2. Step 2: Convert to fraction form
    4,147.28/6,219.96 = 2,662.02/x
  3. Step 3: Cross multiply
    4,147.28x = 6,219.96 × 2,662.02
  4. Step 4: Simplify right side
    4,147.28x = 16,557,657.92
  5. Step 5: Solve for x
    x = 16,557,657.92/4,147.28
  6. Step 6: Final answer
    x = 3,992.41

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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.