Home / 3,787.11-5,681.62-3,724.33

Finding the Fourth Proportional to 3,787.11, 5,681.62 and 3,724.33

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Solution

The fourth proportional to 3,787.11, 5,681.62 and 3,724.33 is: 5,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.11 : 5,681.62 = 3,724.33 : x
  2. Step 2: Convert to fraction form
    3,787.11/5,681.62 = 3,724.33/x
  3. Step 3: Cross multiply
    3,787.11x = 5,681.62 × 3,724.33
  4. Step 4: Simplify right side
    3,787.11x = 21,160,227.81
  5. Step 5: Solve for x
    x = 21,160,227.81/3,787.11
  6. Step 6: Final answer
    x = 5,587.43

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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.