Home / 5,163.86-7,127.26-3,395.63

Finding the Fourth Proportional to 5,163.86, 7,127.26 and 3,395.63

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Solution

The fourth proportional to 5,163.86, 7,127.26 and 3,395.63 is: 4,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.86 : 7,127.26 = 3,395.63 : x
  2. Step 2: Convert to fraction form
    5,163.86/7,127.26 = 3,395.63/x
  3. Step 3: Cross multiply
    5,163.86x = 7,127.26 × 3,395.63
  4. Step 4: Simplify right side
    5,163.86x = 24,201,537.87
  5. Step 5: Solve for x
    x = 24,201,537.87/5,163.86
  6. Step 6: Final answer
    x = 4,686.71

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1.5x scale

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.