Home / 4,252.78-6,381.65-1,787.41

Finding the Fourth Proportional to 4,252.78, 6,381.65 and 1,787.41

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Solution

The fourth proportional to 4,252.78, 6,381.65 and 1,787.41 is: 2,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.78 : 6,381.65 = 1,787.41 : x
  2. Step 2: Convert to fraction form
    4,252.78/6,381.65 = 1,787.41/x
  3. Step 3: Cross multiply
    4,252.78x = 6,381.65 × 1,787.41
  4. Step 4: Simplify right side
    4,252.78x = 11,406,625.03
  5. Step 5: Solve for x
    x = 11,406,625.03/4,252.78
  6. Step 6: Final answer
    x = 2,682.16

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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.