Home / 6,787.87-10,181.82-2,405.45

Finding the Fourth Proportional to 6,787.87, 10,181.82 and 2,405.45

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Solution

The fourth proportional to 6,787.87, 10,181.82 and 2,405.45 is: 3,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.87 : 10,181.82 = 2,405.45 : x
  2. Step 2: Convert to fraction form
    6,787.87/10,181.82 = 2,405.45/x
  3. Step 3: Cross multiply
    6,787.87x = 10,181.82 × 2,405.45
  4. Step 4: Simplify right side
    6,787.87x = 24,491,858.92
  5. Step 5: Solve for x
    x = 24,491,858.92/6,787.87
  6. Step 6: Final answer
    x = 3,608.18

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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.