Home / 5,379.36-8,069.86-2,745.43

Finding the Fourth Proportional to 5,379.36, 8,069.86 and 2,745.43

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Solution

The fourth proportional to 5,379.36, 8,069.86 and 2,745.43 is: 4,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.36 : 8,069.86 = 2,745.43 : x
  2. Step 2: Convert to fraction form
    5,379.36/8,069.86 = 2,745.43/x
  3. Step 3: Cross multiply
    5,379.36x = 8,069.86 × 2,745.43
  4. Step 4: Simplify right side
    5,379.36x = 22,155,181.66
  5. Step 5: Solve for x
    x = 22,155,181.66/5,379.36
  6. Step 6: Final answer
    x = 4,118.56

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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.