Home / 4,839-7,261.71-2,649.27

Finding the Fourth Proportional to 4,839, 7,261.71 and 2,649.27

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Solution

The fourth proportional to 4,839, 7,261.71 and 2,649.27 is: 3,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839 : 7,261.71 = 2,649.27 : x
  2. Step 2: Convert to fraction form
    4,839/7,261.71 = 2,649.27/x
  3. Step 3: Cross multiply
    4,839x = 7,261.71 × 2,649.27
  4. Step 4: Simplify right side
    4,839x = 19,238,230.45
  5. Step 5: Solve for x
    x = 19,238,230.45/4,839
  6. Step 6: Final answer
    x = 3,975.66

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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.