Home / 4,945.05-7,411.84-2,749.38

Finding the Fourth Proportional to 4,945.05, 7,411.84 and 2,749.38

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Solution

The fourth proportional to 4,945.05, 7,411.84 and 2,749.38 is: 4,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.05 : 7,411.84 = 2,749.38 : x
  2. Step 2: Convert to fraction form
    4,945.05/7,411.84 = 2,749.38/x
  3. Step 3: Cross multiply
    4,945.05x = 7,411.84 × 2,749.38
  4. Step 4: Simplify right side
    4,945.05x = 20,377,929.99
  5. Step 5: Solve for x
    x = 20,377,929.99/4,945.05
  6. Step 6: Final answer
    x = 4,120.87

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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.