Home / 4,631.72-6,392.04-2,744.78

Finding the Fourth Proportional to 4,631.72, 6,392.04 and 2,744.78

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Solution

The fourth proportional to 4,631.72, 6,392.04 and 2,744.78 is: 3,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.72 : 6,392.04 = 2,744.78 : x
  2. Step 2: Convert to fraction form
    4,631.72/6,392.04 = 2,744.78/x
  3. Step 3: Cross multiply
    4,631.72x = 6,392.04 × 2,744.78
  4. Step 4: Simplify right side
    4,631.72x = 17,544,743.55
  5. Step 5: Solve for x
    x = 17,544,743.55/4,631.72
  6. Step 6: Final answer
    x = 3,787.95

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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.