Home / 7,998.07-11,997.11-6,627.19

Finding the Fourth Proportional to 7,998.07, 11,997.11 and 6,627.19

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Solution

The fourth proportional to 7,998.07, 11,997.11 and 6,627.19 is: 9,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.07 : 11,997.11 = 6,627.19 : x
  2. Step 2: Convert to fraction form
    7,998.07/11,997.11 = 6,627.19/x
  3. Step 3: Cross multiply
    7,998.07x = 11,997.11 × 6,627.19
  4. Step 4: Simplify right side
    7,998.07x = 79,507,127.42
  5. Step 5: Solve for x
    x = 79,507,127.42/7,998.07
  6. Step 6: Final answer
    x = 9,940.79

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.