Home / 4,379.82-6,040.22-2,807.61

Finding the Fourth Proportional to 4,379.82, 6,040.22 and 2,807.61

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Solution

The fourth proportional to 4,379.82, 6,040.22 and 2,807.61 is: 3,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.82 : 6,040.22 = 2,807.61 : x
  2. Step 2: Convert to fraction form
    4,379.82/6,040.22 = 2,807.61/x
  3. Step 3: Cross multiply
    4,379.82x = 6,040.22 × 2,807.61
  4. Step 4: Simplify right side
    4,379.82x = 16,958,568.04
  5. Step 5: Solve for x
    x = 16,958,568.04/4,379.82
  6. Step 6: Final answer
    x = 3,871.98

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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.