Home / 6,787.28-10,179.48-2,171.60

Finding the Fourth Proportional to 6,787.28, 10,179.48 and 2,171.60

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Solution

The fourth proportional to 6,787.28, 10,179.48 and 2,171.60 is: 3,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.28 : 10,179.48 = 2,171.60 : x
  2. Step 2: Convert to fraction form
    6,787.28/10,179.48 = 2,171.60/x
  3. Step 3: Cross multiply
    6,787.28x = 10,179.48 × 2,171.60
  4. Step 4: Simplify right side
    6,787.28x = 22,105,758.77
  5. Step 5: Solve for x
    x = 22,105,758.77/6,787.28
  6. Step 6: Final answer
    x = 3,256.94

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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.