Home / 7,998.08-11,997.11-4,302.05

Finding the Fourth Proportional to 7,998.08, 11,997.11 and 4,302.05

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Solution

The fourth proportional to 7,998.08, 11,997.11 and 4,302.05 is: 6,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.08 : 11,997.11 = 4,302.05 : x
  2. Step 2: Convert to fraction form
    7,998.08/11,997.11 = 4,302.05/x
  3. Step 3: Cross multiply
    7,998.08x = 11,997.11 × 4,302.05
  4. Step 4: Simplify right side
    7,998.08x = 51,612,117.85
  5. Step 5: Solve for x
    x = 51,612,117.85/7,998.08
  6. Step 6: Final answer
    x = 6,453.07

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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.