Home / 4,993.80-7,484.82-3,757.20

Finding the Fourth Proportional to 4,993.80, 7,484.82 and 3,757.20

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Solution

The fourth proportional to 4,993.80, 7,484.82 and 3,757.20 is: 5,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.80 : 7,484.82 = 3,757.20 : x
  2. Step 2: Convert to fraction form
    4,993.80/7,484.82 = 3,757.20/x
  3. Step 3: Cross multiply
    4,993.80x = 7,484.82 × 3,757.20
  4. Step 4: Simplify right side
    4,993.80x = 28,121,965.70
  5. Step 5: Solve for x
    x = 28,121,965.70/4,993.80
  6. Step 6: Final answer
    x = 5,631.38

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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.