Home / 5,787.36-7,979.04-3,687.84

Finding the Fourth Proportional to 5,787.36, 7,979.04 and 3,687.84

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Solution

The fourth proportional to 5,787.36, 7,979.04 and 3,687.84 is: 5,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.36 : 7,979.04 = 3,687.84 : x
  2. Step 2: Convert to fraction form
    5,787.36/7,979.04 = 3,687.84/x
  3. Step 3: Cross multiply
    5,787.36x = 7,979.04 × 3,687.84
  4. Step 4: Simplify right side
    5,787.36x = 29,425,422.87
  5. Step 5: Solve for x
    x = 29,425,422.87/5,787.36
  6. Step 6: Final answer
    x = 5,084.43

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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.