Home / 5,273.97-7,278.05-2,883.96

Finding the Fourth Proportional to 5,273.97, 7,278.05 and 2,883.96

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Solution

The fourth proportional to 5,273.97, 7,278.05 and 2,883.96 is: 3,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.97 : 7,278.05 = 2,883.96 : x
  2. Step 2: Convert to fraction form
    5,273.97/7,278.05 = 2,883.96/x
  3. Step 3: Cross multiply
    5,273.97x = 7,278.05 × 2,883.96
  4. Step 4: Simplify right side
    5,273.97x = 20,989,605.08
  5. Step 5: Solve for x
    x = 20,989,605.08/5,273.97
  6. Step 6: Final answer
    x = 3,979.85

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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.