Home / 5,273.85-7,277.71-2,883.88

Finding the Fourth Proportional to 5,273.85, 7,277.71 and 2,883.88

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Solution

The fourth proportional to 5,273.85, 7,277.71 and 2,883.88 is: 3,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.85 : 7,277.71 = 2,883.88 : x
  2. Step 2: Convert to fraction form
    5,273.85/7,277.71 = 2,883.88/x
  3. Step 3: Cross multiply
    5,273.85x = 7,277.71 × 2,883.88
  4. Step 4: Simplify right side
    5,273.85x = 20,988,042.31
  5. Step 5: Solve for x
    x = 20,988,042.31/5,273.85
  6. Step 6: Final answer
    x = 3,979.64

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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.