Home / 6,912.64-10,344.18-3,976.54

Finding the Fourth Proportional to 6,912.64, 10,344.18 and 3,976.54

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Solution

The fourth proportional to 6,912.64, 10,344.18 and 3,976.54 is: 5,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.64 : 10,344.18 = 3,976.54 : x
  2. Step 2: Convert to fraction form
    6,912.64/10,344.18 = 3,976.54/x
  3. Step 3: Cross multiply
    6,912.64x = 10,344.18 × 3,976.54
  4. Step 4: Simplify right side
    6,912.64x = 41,134,045.54
  5. Step 5: Solve for x
    x = 41,134,045.54/6,912.64
  6. Step 6: Final answer
    x = 5,950.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.