Home / 4,086.28-6,127.62-1,163.92

Finding the Fourth Proportional to 4,086.28, 6,127.62 and 1,163.92

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Solution

The fourth proportional to 4,086.28, 6,127.62 and 1,163.92 is: 1,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.28 : 6,127.62 = 1,163.92 : x
  2. Step 2: Convert to fraction form
    4,086.28/6,127.62 = 1,163.92/x
  3. Step 3: Cross multiply
    4,086.28x = 6,127.62 × 1,163.92
  4. Step 4: Simplify right side
    4,086.28x = 7,132,059.47
  5. Step 5: Solve for x
    x = 7,132,059.47/4,086.28
  6. Step 6: Final answer
    x = 1,745.37

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1.5x scale

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.