Home / 5,186.45-7,163.27-3,776.44

Finding the Fourth Proportional to 5,186.45, 7,163.27 and 3,776.44

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Solution

The fourth proportional to 5,186.45, 7,163.27 and 3,776.44 is: 5,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.45 : 7,163.27 = 3,776.44 : x
  2. Step 2: Convert to fraction form
    5,186.45/7,163.27 = 3,776.44/x
  3. Step 3: Cross multiply
    5,186.45x = 7,163.27 × 3,776.44
  4. Step 4: Simplify right side
    5,186.45x = 27,051,604.66
  5. Step 5: Solve for x
    x = 27,051,604.66/5,186.45
  6. Step 6: Final answer
    x = 5,215.83

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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.