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Finding the Fourth Proportional to 4,874.28, 6,725.99 and 2,749.34

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Solution

The fourth proportional to 4,874.28, 6,725.99 and 2,749.34 is: 3,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.28 : 6,725.99 = 2,749.34 : x
  2. Step 2: Convert to fraction form
    4,874.28/6,725.99 = 2,749.34/x
  3. Step 3: Cross multiply
    4,874.28x = 6,725.99 × 2,749.34
  4. Step 4: Simplify right side
    4,874.28x = 18,491,985.97
  5. Step 5: Solve for x
    x = 18,491,985.97/4,874.28
  6. Step 6: Final answer
    x = 3,793.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.