Home / 4,252.88-6,381.78-1,787.48

Finding the Fourth Proportional to 4,252.88, 6,381.78 and 1,787.48

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Solution

The fourth proportional to 4,252.88, 6,381.78 and 1,787.48 is: 2,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.88 : 6,381.78 = 1,787.48 : x
  2. Step 2: Convert to fraction form
    4,252.88/6,381.78 = 1,787.48/x
  3. Step 3: Cross multiply
    4,252.88x = 6,381.78 × 1,787.48
  4. Step 4: Simplify right side
    4,252.88x = 11,407,304.11
  5. Step 5: Solve for x
    x = 11,407,304.11/4,252.88
  6. Step 6: Final answer
    x = 2,682.25

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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.