Home / 5,163.86-7,127.26-3,395.64

Finding the Fourth Proportional to 5,163.86, 7,127.26 and 3,395.64

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Solution

The fourth proportional to 5,163.86, 7,127.26 and 3,395.64 is: 4,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.86 : 7,127.26 = 3,395.64 : x
  2. Step 2: Convert to fraction form
    5,163.86/7,127.26 = 3,395.64/x
  3. Step 3: Cross multiply
    5,163.86x = 7,127.26 × 3,395.64
  4. Step 4: Simplify right side
    5,163.86x = 24,201,609.15
  5. Step 5: Solve for x
    x = 24,201,609.15/5,163.86
  6. Step 6: Final answer
    x = 4,686.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.