Home / 4,291.26-6,436.89-2,761.98

Finding the Fourth Proportional to 4,291.26, 6,436.89 and 2,761.98

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Solution

The fourth proportional to 4,291.26, 6,436.89 and 2,761.98 is: 4,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.26 : 6,436.89 = 2,761.98 : x
  2. Step 2: Convert to fraction form
    4,291.26/6,436.89 = 2,761.98/x
  3. Step 3: Cross multiply
    4,291.26x = 6,436.89 × 2,761.98
  4. Step 4: Simplify right side
    4,291.26x = 17,778,561.44
  5. Step 5: Solve for x
    x = 17,778,561.44/4,291.26
  6. Step 6: Final answer
    x = 4,142.97

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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.