Home / 5,163.94-7,745.84-1,268.31

Finding the Fourth Proportional to 5,163.94, 7,745.84 and 1,268.31

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Solution

The fourth proportional to 5,163.94, 7,745.84 and 1,268.31 is: 1,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.94 : 7,745.84 = 1,268.31 : x
  2. Step 2: Convert to fraction form
    5,163.94/7,745.84 = 1,268.31/x
  3. Step 3: Cross multiply
    5,163.94x = 7,745.84 × 1,268.31
  4. Step 4: Simplify right side
    5,163.94x = 9,824,126.33
  5. Step 5: Solve for x
    x = 9,824,126.33/5,163.94
  6. Step 6: Final answer
    x = 1,902.45

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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.