Home / 7,759.82-11,641.29-2,214.86

Finding the Fourth Proportional to 7,759.82, 11,641.29 and 2,214.86

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Solution

The fourth proportional to 7,759.82, 11,641.29 and 2,214.86 is: 3,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.82 : 11,641.29 = 2,214.86 : x
  2. Step 2: Convert to fraction form
    7,759.82/11,641.29 = 2,214.86/x
  3. Step 3: Cross multiply
    7,759.82x = 11,641.29 × 2,214.86
  4. Step 4: Simplify right side
    7,759.82x = 25,783,827.57
  5. Step 5: Solve for x
    x = 25,783,827.57/7,759.82
  6. Step 6: Final answer
    x = 3,322.74

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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.