Home / 5,108.41-7,663.96-2,767.37

Finding the Fourth Proportional to 5,108.41, 7,663.96 and 2,767.37

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Solution

The fourth proportional to 5,108.41, 7,663.96 and 2,767.37 is: 4,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.41 : 7,663.96 = 2,767.37 : x
  2. Step 2: Convert to fraction form
    5,108.41/7,663.96 = 2,767.37/x
  3. Step 3: Cross multiply
    5,108.41x = 7,663.96 × 2,767.37
  4. Step 4: Simplify right side
    5,108.41x = 21,209,012.99
  5. Step 5: Solve for x
    x = 21,209,012.99/5,108.41
  6. Step 6: Final answer
    x = 4,151.78

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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.