Home / 5,163.22-7,122.27-3,145.06

Finding the Fourth Proportional to 5,163.22, 7,122.27 and 3,145.06

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Solution

The fourth proportional to 5,163.22, 7,122.27 and 3,145.06 is: 4,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.22 : 7,122.27 = 3,145.06 : x
  2. Step 2: Convert to fraction form
    5,163.22/7,122.27 = 3,145.06/x
  3. Step 3: Cross multiply
    5,163.22x = 7,122.27 × 3,145.06
  4. Step 4: Simplify right side
    5,163.22x = 22,399,966.49
  5. Step 5: Solve for x
    x = 22,399,966.49/5,163.22
  6. Step 6: Final answer
    x = 4,338.37

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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.