Home / 5,161.38-7,754.73-3,313.26

Finding the Fourth Proportional to 5,161.38, 7,754.73 and 3,313.26

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Solution

The fourth proportional to 5,161.38, 7,754.73 and 3,313.26 is: 4,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.38 : 7,754.73 = 3,313.26 : x
  2. Step 2: Convert to fraction form
    5,161.38/7,754.73 = 3,313.26/x
  3. Step 3: Cross multiply
    5,161.38x = 7,754.73 × 3,313.26
  4. Step 4: Simplify right side
    5,161.38x = 25,693,436.72
  5. Step 5: Solve for x
    x = 25,693,436.72/5,161.38
  6. Step 6: Final answer
    x = 4,978.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.