Home / 8,097.90-11,173.38-6,211.62

Finding the Fourth Proportional to 8,097.90, 11,173.38 and 6,211.62

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Solution

The fourth proportional to 8,097.90, 11,173.38 and 6,211.62 is: 8,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.90 : 11,173.38 = 6,211.62 : x
  2. Step 2: Convert to fraction form
    8,097.90/11,173.38 = 6,211.62/x
  3. Step 3: Cross multiply
    8,097.90x = 11,173.38 × 6,211.62
  4. Step 4: Simplify right side
    8,097.90x = 69,404,790.68
  5. Step 5: Solve for x
    x = 69,404,790.68/8,097.90
  6. Step 6: Final answer
    x = 8,570.71

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Half scale
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Double scale
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1.5x scale

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.