Home / 6,787.94-10,181.80-1,857.58

Finding the Fourth Proportional to 6,787.94, 10,181.80 and 1,857.58

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Solution

The fourth proportional to 6,787.94, 10,181.80 and 1,857.58 is: 2,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.94 : 10,181.80 = 1,857.58 : x
  2. Step 2: Convert to fraction form
    6,787.94/10,181.80 = 1,857.58/x
  3. Step 3: Cross multiply
    6,787.94x = 10,181.80 × 1,857.58
  4. Step 4: Simplify right side
    6,787.94x = 18,913,508.04
  5. Step 5: Solve for x
    x = 18,913,508.04/6,787.94
  6. Step 6: Final answer
    x = 2,786.34

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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.