Home / 4,787.60-6,606.82-2,691.72

Finding the Fourth Proportional to 4,787.60, 6,606.82 and 2,691.72

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Solution

The fourth proportional to 4,787.60, 6,606.82 and 2,691.72 is: 3,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.60 : 6,606.82 = 2,691.72 : x
  2. Step 2: Convert to fraction form
    4,787.60/6,606.82 = 2,691.72/x
  3. Step 3: Cross multiply
    4,787.60x = 6,606.82 × 2,691.72
  4. Step 4: Simplify right side
    4,787.60x = 17,783,709.53
  5. Step 5: Solve for x
    x = 17,783,709.53/4,787.60
  6. Step 6: Final answer
    x = 3,714.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.