Home / 4,787.97-7,180.56-1,865.58

Finding the Fourth Proportional to 4,787.97, 7,180.56 and 1,865.58

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Solution

The fourth proportional to 4,787.97, 7,180.56 and 1,865.58 is: 2,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.97 : 7,180.56 = 1,865.58 : x
  2. Step 2: Convert to fraction form
    4,787.97/7,180.56 = 1,865.58/x
  3. Step 3: Cross multiply
    4,787.97x = 7,180.56 × 1,865.58
  4. Step 4: Simplify right side
    4,787.97x = 13,395,909.12
  5. Step 5: Solve for x
    x = 13,395,909.12/4,787.97
  6. Step 6: Final answer
    x = 2,797.83

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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.