Home / 4,927.05-7,396.42-3,887.79

Finding the Fourth Proportional to 4,927.05, 7,396.42 and 3,887.79

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Solution

The fourth proportional to 4,927.05, 7,396.42 and 3,887.79 is: 5,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.05 : 7,396.42 = 3,887.79 : x
  2. Step 2: Convert to fraction form
    4,927.05/7,396.42 = 3,887.79/x
  3. Step 3: Cross multiply
    4,927.05x = 7,396.42 × 3,887.79
  4. Step 4: Simplify right side
    4,927.05x = 28,755,736.48
  5. Step 5: Solve for x
    x = 28,755,736.48/4,927.05
  6. Step 6: Final answer
    x = 5,836.30

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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.