Home / 7,836.27-11,754.43-1,992.87

Finding the Fourth Proportional to 7,836.27, 11,754.43 and 1,992.87

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Solution

The fourth proportional to 7,836.27, 11,754.43 and 1,992.87 is: 2,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.27 : 11,754.43 = 1,992.87 : x
  2. Step 2: Convert to fraction form
    7,836.27/11,754.43 = 1,992.87/x
  3. Step 3: Cross multiply
    7,836.27x = 11,754.43 × 1,992.87
  4. Step 4: Simplify right side
    7,836.27x = 23,425,050.91
  5. Step 5: Solve for x
    x = 23,425,050.91/7,836.27
  6. Step 6: Final answer
    x = 2,989.31

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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.