Home / 5,379.12-8,069.19-2,092.47

Finding the Fourth Proportional to 5,379.12, 8,069.19 and 2,092.47

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Solution

The fourth proportional to 5,379.12, 8,069.19 and 2,092.47 is: 3,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.12 : 8,069.19 = 2,092.47 : x
  2. Step 2: Convert to fraction form
    5,379.12/8,069.19 = 2,092.47/x
  3. Step 3: Cross multiply
    5,379.12x = 8,069.19 × 2,092.47
  4. Step 4: Simplify right side
    5,379.12x = 16,884,538.00
  5. Step 5: Solve for x
    x = 16,884,538.00/5,379.12
  6. Step 6: Final answer
    x = 3,138.90

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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.