Home / 7,820.82-11,734.74-3,927.96

Finding the Fourth Proportional to 7,820.82, 11,734.74 and 3,927.96

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Solution

The fourth proportional to 7,820.82, 11,734.74 and 3,927.96 is: 5,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.82 : 11,734.74 = 3,927.96 : x
  2. Step 2: Convert to fraction form
    7,820.82/11,734.74 = 3,927.96/x
  3. Step 3: Cross multiply
    7,820.82x = 11,734.74 × 3,927.96
  4. Step 4: Simplify right side
    7,820.82x = 46,093,589.33
  5. Step 5: Solve for x
    x = 46,093,589.33/7,820.82
  6. Step 6: Final answer
    x = 5,893.70

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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.