Home / 4,985.24-6,879.82-2,747.36

Finding the Fourth Proportional to 4,985.24, 6,879.82 and 2,747.36

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Solution

The fourth proportional to 4,985.24, 6,879.82 and 2,747.36 is: 3,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.24 : 6,879.82 = 2,747.36 : x
  2. Step 2: Convert to fraction form
    4,985.24/6,879.82 = 2,747.36/x
  3. Step 3: Cross multiply
    4,985.24x = 6,879.82 × 2,747.36
  4. Step 4: Simplify right side
    4,985.24x = 18,901,352.61
  5. Step 5: Solve for x
    x = 18,901,352.61/4,985.24
  6. Step 6: Final answer
    x = 3,791.46

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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.