Home / 5,286.96-7,295.13-3,163.35

Finding the Fourth Proportional to 5,286.96, 7,295.13 and 3,163.35

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Solution

The fourth proportional to 5,286.96, 7,295.13 and 3,163.35 is: 4,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.96 : 7,295.13 = 3,163.35 : x
  2. Step 2: Convert to fraction form
    5,286.96/7,295.13 = 3,163.35/x
  3. Step 3: Cross multiply
    5,286.96x = 7,295.13 × 3,163.35
  4. Step 4: Simplify right side
    5,286.96x = 23,077,049.49
  5. Step 5: Solve for x
    x = 23,077,049.49/5,286.96
  6. Step 6: Final answer
    x = 4,364.90

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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.