Home / 7,927.82-11,890.78-2,084.88

Finding the Fourth Proportional to 7,927.82, 11,890.78 and 2,084.88

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Solution

The fourth proportional to 7,927.82, 11,890.78 and 2,084.88 is: 3,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.82 : 11,890.78 = 2,084.88 : x
  2. Step 2: Convert to fraction form
    7,927.82/11,890.78 = 2,084.88/x
  3. Step 3: Cross multiply
    7,927.82x = 11,890.78 × 2,084.88
  4. Step 4: Simplify right side
    7,927.82x = 24,790,838.98
  5. Step 5: Solve for x
    x = 24,790,838.98/7,927.82
  6. Step 6: Final answer
    x = 3,127.07

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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.