Home / 5,163.84-7,745.79-1,268.25

Finding the Fourth Proportional to 5,163.84, 7,745.79 and 1,268.25

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Solution

The fourth proportional to 5,163.84, 7,745.79 and 1,268.25 is: 1,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.84 : 7,745.79 = 1,268.25 : x
  2. Step 2: Convert to fraction form
    5,163.84/7,745.79 = 1,268.25/x
  3. Step 3: Cross multiply
    5,163.84x = 7,745.79 × 1,268.25
  4. Step 4: Simplify right side
    5,163.84x = 9,823,598.17
  5. Step 5: Solve for x
    x = 9,823,598.17/5,163.84
  6. Step 6: Final answer
    x = 1,902.38

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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.