Home / 7,379.96-11,071.86-2,185.82

Finding the Fourth Proportional to 7,379.96, 11,071.86 and 2,185.82

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Solution

The fourth proportional to 7,379.96, 11,071.86 and 2,185.82 is: 3,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.96 : 11,071.86 = 2,185.82 : x
  2. Step 2: Convert to fraction form
    7,379.96/11,071.86 = 2,185.82/x
  3. Step 3: Cross multiply
    7,379.96x = 11,071.86 × 2,185.82
  4. Step 4: Simplify right side
    7,379.96x = 24,201,093.03
  5. Step 5: Solve for x
    x = 24,201,093.03/7,379.96
  6. Step 6: Final answer
    x = 3,279.30

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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.