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Finding the Fourth Proportional to 5,757.36, 7,945.56 and 3,273.36

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Solution

The fourth proportional to 5,757.36, 7,945.56 and 3,273.36 is: 4,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.36 : 7,945.56 = 3,273.36 : x
  2. Step 2: Convert to fraction form
    5,757.36/7,945.56 = 3,273.36/x
  3. Step 3: Cross multiply
    5,757.36x = 7,945.56 × 3,273.36
  4. Step 4: Simplify right side
    5,757.36x = 26,008,678.28
  5. Step 5: Solve for x
    x = 26,008,678.28/5,757.36
  6. Step 6: Final answer
    x = 4,517.47

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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.