Home / 5,163.66-7,745.64-1,268.07

Finding the Fourth Proportional to 5,163.66, 7,745.64 and 1,268.07

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Solution

The fourth proportional to 5,163.66, 7,745.64 and 1,268.07 is: 1,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.66 : 7,745.64 = 1,268.07 : x
  2. Step 2: Convert to fraction form
    5,163.66/7,745.64 = 1,268.07/x
  3. Step 3: Cross multiply
    5,163.66x = 7,745.64 × 1,268.07
  4. Step 4: Simplify right side
    5,163.66x = 9,821,974.99
  5. Step 5: Solve for x
    x = 9,821,974.99/5,163.66
  6. Step 6: Final answer
    x = 1,902.13

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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.