Home / 7,912.32-11,871.22-2,983.37

Finding the Fourth Proportional to 7,912.32, 11,871.22 and 2,983.37

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Solution

The fourth proportional to 7,912.32, 11,871.22 and 2,983.37 is: 4,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.32 : 11,871.22 = 2,983.37 : x
  2. Step 2: Convert to fraction form
    7,912.32/11,871.22 = 2,983.37/x
  3. Step 3: Cross multiply
    7,912.32x = 11,871.22 × 2,983.37
  4. Step 4: Simplify right side
    7,912.32x = 35,416,222.08
  5. Step 5: Solve for x
    x = 35,416,222.08/7,912.32
  6. Step 6: Final answer
    x = 4,476.09

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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.