Home / 4,921.10-7,385.97-2,732.30

Finding the Fourth Proportional to 4,921.10, 7,385.97 and 2,732.30

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Solution

The fourth proportional to 4,921.10, 7,385.97 and 2,732.30 is: 4,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.10 : 7,385.97 = 2,732.30 : x
  2. Step 2: Convert to fraction form
    4,921.10/7,385.97 = 2,732.30/x
  3. Step 3: Cross multiply
    4,921.10x = 7,385.97 × 2,732.30
  4. Step 4: Simplify right side
    4,921.10x = 20,180,685.83
  5. Step 5: Solve for x
    x = 20,180,685.83/4,921.10
  6. Step 6: Final answer
    x = 4,100.85

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1.5x scale

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.