Home / 5,273.30-7,276.97-2,883.20

Finding the Fourth Proportional to 5,273.30, 7,276.97 and 2,883.20

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Solution

The fourth proportional to 5,273.30, 7,276.97 and 2,883.20 is: 3,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.30 : 7,276.97 = 2,883.20 : x
  2. Step 2: Convert to fraction form
    5,273.30/7,276.97 = 2,883.20/x
  3. Step 3: Cross multiply
    5,273.30x = 7,276.97 × 2,883.20
  4. Step 4: Simplify right side
    5,273.30x = 20,980,930.73
  5. Step 5: Solve for x
    x = 20,980,930.73/5,273.30
  6. Step 6: Final answer
    x = 3,978.71

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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.