Home / 5,217.27-7,825.83-1,268.56

Finding the Fourth Proportional to 5,217.27, 7,825.83 and 1,268.56

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Solution

The fourth proportional to 5,217.27, 7,825.83 and 1,268.56 is: 1,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.27 : 7,825.83 = 1,268.56 : x
  2. Step 2: Convert to fraction form
    5,217.27/7,825.83 = 1,268.56/x
  3. Step 3: Cross multiply
    5,217.27x = 7,825.83 × 1,268.56
  4. Step 4: Simplify right side
    5,217.27x = 9,927,534.90
  5. Step 5: Solve for x
    x = 9,927,534.90/5,217.27
  6. Step 6: Final answer
    x = 1,902.82

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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.