Home / 4,918.44-7,377.72-1,408.56

Finding the Fourth Proportional to 4,918.44, 7,377.72 and 1,408.56

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Solution

The fourth proportional to 4,918.44, 7,377.72 and 1,408.56 is: 2,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.44 : 7,377.72 = 1,408.56 : x
  2. Step 2: Convert to fraction form
    4,918.44/7,377.72 = 1,408.56/x
  3. Step 3: Cross multiply
    4,918.44x = 7,377.72 × 1,408.56
  4. Step 4: Simplify right side
    4,918.44x = 10,391,961.28
  5. Step 5: Solve for x
    x = 10,391,961.28/4,918.44
  6. Step 6: Final answer
    x = 2,112.86

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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.