Home / 4,252.80-6,379.22-1,291.27

Finding the Fourth Proportional to 4,252.80, 6,379.22 and 1,291.27

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Solution

The fourth proportional to 4,252.80, 6,379.22 and 1,291.27 is: 1,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.80 : 6,379.22 = 1,291.27 : x
  2. Step 2: Convert to fraction form
    4,252.80/6,379.22 = 1,291.27/x
  3. Step 3: Cross multiply
    4,252.80x = 6,379.22 × 1,291.27
  4. Step 4: Simplify right side
    4,252.80x = 8,237,273.01
  5. Step 5: Solve for x
    x = 8,237,273.01/4,252.80
  6. Step 6: Final answer
    x = 1,936.91

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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.