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Finding the Fourth Proportional to 4,375, 6,040.23 and 2,805.83

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Solution

The fourth proportional to 4,375, 6,040.23 and 2,805.83 is: 3,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375 : 6,040.23 = 2,805.83 : x
  2. Step 2: Convert to fraction form
    4,375/6,040.23 = 2,805.83/x
  3. Step 3: Cross multiply
    4,375x = 6,040.23 × 2,805.83
  4. Step 4: Simplify right side
    4,375x = 16,947,858.54
  5. Step 5: Solve for x
    x = 16,947,858.54/4,375
  6. Step 6: Final answer
    x = 3,873.80

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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.