Home / 5,276.20-7,273.38-3,876.52

Finding the Fourth Proportional to 5,276.20, 7,273.38 and 3,876.52

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Solution

The fourth proportional to 5,276.20, 7,273.38 and 3,876.52 is: 5,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.20 : 7,273.38 = 3,876.52 : x
  2. Step 2: Convert to fraction form
    5,276.20/7,273.38 = 3,876.52/x
  3. Step 3: Cross multiply
    5,276.20x = 7,273.38 × 3,876.52
  4. Step 4: Simplify right side
    5,276.20x = 28,195,403.04
  5. Step 5: Solve for x
    x = 28,195,403.04/5,276.20
  6. Step 6: Final answer
    x = 5,343.88

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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.