Home / 4,908.20-6,768.64-3,787.36

Finding the Fourth Proportional to 4,908.20, 6,768.64 and 3,787.36

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Solution

The fourth proportional to 4,908.20, 6,768.64 and 3,787.36 is: 5,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.20 : 6,768.64 = 3,787.36 : x
  2. Step 2: Convert to fraction form
    4,908.20/6,768.64 = 3,787.36/x
  3. Step 3: Cross multiply
    4,908.20x = 6,768.64 × 3,787.36
  4. Step 4: Simplify right side
    4,908.20x = 25,635,276.39
  5. Step 5: Solve for x
    x = 25,635,276.39/4,908.20
  6. Step 6: Final answer
    x = 5,222.95

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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.