Home / 7,787.91-11,674.55-3,837.65

Finding the Fourth Proportional to 7,787.91, 11,674.55 and 3,837.65

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Solution

The fourth proportional to 7,787.91, 11,674.55 and 3,837.65 is: 5,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.91 : 11,674.55 = 3,837.65 : x
  2. Step 2: Convert to fraction form
    7,787.91/11,674.55 = 3,837.65/x
  3. Step 3: Cross multiply
    7,787.91x = 11,674.55 × 3,837.65
  4. Step 4: Simplify right side
    7,787.91x = 44,802,759.25
  5. Step 5: Solve for x
    x = 44,802,759.25/7,787.91
  6. Step 6: Final answer
    x = 5,752.86

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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.