Home / 4,974.82-7,447.83-3,747.40

Finding the Fourth Proportional to 4,974.82, 7,447.83 and 3,747.40

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Solution

The fourth proportional to 4,974.82, 7,447.83 and 3,747.40 is: 5,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.82 : 7,447.83 = 3,747.40 : x
  2. Step 2: Convert to fraction form
    4,974.82/7,447.83 = 3,747.40/x
  3. Step 3: Cross multiply
    4,974.82x = 7,447.83 × 3,747.40
  4. Step 4: Simplify right side
    4,974.82x = 27,909,998.14
  5. Step 5: Solve for x
    x = 27,909,998.14/4,974.82
  6. Step 6: Final answer
    x = 5,610.25

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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.