Home / 3,663.16-5,493.18-1,163.78

Finding the Fourth Proportional to 3,663.16, 5,493.18 and 1,163.78

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Solution

The fourth proportional to 3,663.16, 5,493.18 and 1,163.78 is: 1,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.16 : 5,493.18 = 1,163.78 : x
  2. Step 2: Convert to fraction form
    3,663.16/5,493.18 = 1,163.78/x
  3. Step 3: Cross multiply
    3,663.16x = 5,493.18 × 1,163.78
  4. Step 4: Simplify right side
    3,663.16x = 6,392,853.02
  5. Step 5: Solve for x
    x = 6,392,853.02/3,663.16
  6. Step 6: Final answer
    x = 1,745.17

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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.