Home / 6,787.61-10,181.41-1,857.30

Finding the Fourth Proportional to 6,787.61, 10,181.41 and 1,857.30

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Solution

The fourth proportional to 6,787.61, 10,181.41 and 1,857.30 is: 2,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.61 : 10,181.41 = 1,857.30 : x
  2. Step 2: Convert to fraction form
    6,787.61/10,181.41 = 1,857.30/x
  3. Step 3: Cross multiply
    6,787.61x = 10,181.41 × 1,857.30
  4. Step 4: Simplify right side
    6,787.61x = 18,909,900.42
  5. Step 5: Solve for x
    x = 18,909,900.42/6,787.61
  6. Step 6: Final answer
    x = 2,785.94

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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.