Home / 4,891-6,726.36-3,884.44

Finding the Fourth Proportional to 4,891, 6,726.36 and 3,884.44

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Solution

The fourth proportional to 4,891, 6,726.36 and 3,884.44 is: 5,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891 : 6,726.36 = 3,884.44 : x
  2. Step 2: Convert to fraction form
    4,891/6,726.36 = 3,884.44/x
  3. Step 3: Cross multiply
    4,891x = 6,726.36 × 3,884.44
  4. Step 4: Simplify right side
    4,891x = 26,128,141.84
  5. Step 5: Solve for x
    x = 26,128,141.84/4,891
  6. Step 6: Final answer
    x = 5,342.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.