Home / 6,787.89-10,181.97-3,087.54

Finding the Fourth Proportional to 6,787.89, 10,181.97 and 3,087.54

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Solution

The fourth proportional to 6,787.89, 10,181.97 and 3,087.54 is: 4,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.89 : 10,181.97 = 3,087.54 : x
  2. Step 2: Convert to fraction form
    6,787.89/10,181.97 = 3,087.54/x
  3. Step 3: Cross multiply
    6,787.89x = 10,181.97 × 3,087.54
  4. Step 4: Simplify right side
    6,787.89x = 31,437,239.65
  5. Step 5: Solve for x
    x = 31,437,239.65/6,787.89
  6. Step 6: Final answer
    x = 4,631.37

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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.