Home / 4,787.52-7,183.68-2,190.08

Finding the Fourth Proportional to 4,787.52, 7,183.68 and 2,190.08

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Solution

The fourth proportional to 4,787.52, 7,183.68 and 2,190.08 is: 3,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.52 : 7,183.68 = 2,190.08 : x
  2. Step 2: Convert to fraction form
    4,787.52/7,183.68 = 2,190.08/x
  3. Step 3: Cross multiply
    4,787.52x = 7,183.68 × 2,190.08
  4. Step 4: Simplify right side
    4,787.52x = 15,732,833.89
  5. Step 5: Solve for x
    x = 15,732,833.89/4,787.52
  6. Step 6: Final answer
    x = 3,286.22

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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.