Home / 5,223.12-7,836.44-1,936.49

Finding the Fourth Proportional to 5,223.12, 7,836.44 and 1,936.49

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Solution

The fourth proportional to 5,223.12, 7,836.44 and 1,936.49 is: 2,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.12 : 7,836.44 = 1,936.49 : x
  2. Step 2: Convert to fraction form
    5,223.12/7,836.44 = 1,936.49/x
  3. Step 3: Cross multiply
    5,223.12x = 7,836.44 × 1,936.49
  4. Step 4: Simplify right side
    5,223.12x = 15,175,138.83
  5. Step 5: Solve for x
    x = 15,175,138.83/5,223.12
  6. Step 6: Final answer
    x = 2,905.38

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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.