Home / 4,487.87-6,731.82-2,177.75

Finding the Fourth Proportional to 4,487.87, 6,731.82 and 2,177.75

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Solution

The fourth proportional to 4,487.87, 6,731.82 and 2,177.75 is: 3,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.87 : 6,731.82 = 2,177.75 : x
  2. Step 2: Convert to fraction form
    4,487.87/6,731.82 = 2,177.75/x
  3. Step 3: Cross multiply
    4,487.87x = 6,731.82 × 2,177.75
  4. Step 4: Simplify right side
    4,487.87x = 14,660,221.01
  5. Step 5: Solve for x
    x = 14,660,221.01/4,487.87
  6. Step 6: Final answer
    x = 3,266.63

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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.