Home / 4,086.27-6,128.73-1,163.88

Finding the Fourth Proportional to 4,086.27, 6,128.73 and 1,163.88

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Solution

The fourth proportional to 4,086.27, 6,128.73 and 1,163.88 is: 1,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.27 : 6,128.73 = 1,163.88 : x
  2. Step 2: Convert to fraction form
    4,086.27/6,128.73 = 1,163.88/x
  3. Step 3: Cross multiply
    4,086.27x = 6,128.73 × 1,163.88
  4. Step 4: Simplify right side
    4,086.27x = 7,133,106.27
  5. Step 5: Solve for x
    x = 7,133,106.27/4,086.27
  6. Step 6: Final answer
    x = 1,745.63

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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.