Home / 4,715.76-7,067.55-1,939.23

Finding the Fourth Proportional to 4,715.76, 7,067.55 and 1,939.23

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Solution

The fourth proportional to 4,715.76, 7,067.55 and 1,939.23 is: 2,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.76 : 7,067.55 = 1,939.23 : x
  2. Step 2: Convert to fraction form
    4,715.76/7,067.55 = 1,939.23/x
  3. Step 3: Cross multiply
    4,715.76x = 7,067.55 × 1,939.23
  4. Step 4: Simplify right side
    4,715.76x = 13,705,604.99
  5. Step 5: Solve for x
    x = 13,705,604.99/4,715.76
  6. Step 6: Final answer
    x = 2,906.34

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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.