Home / 7,697.88-11,546.76-3,998.20

Finding the Fourth Proportional to 7,697.88, 11,546.76 and 3,998.20

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Solution

The fourth proportional to 7,697.88, 11,546.76 and 3,998.20 is: 5,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.88 : 11,546.76 = 3,998.20 : x
  2. Step 2: Convert to fraction form
    7,697.88/11,546.76 = 3,998.20/x
  3. Step 3: Cross multiply
    7,697.88x = 11,546.76 × 3,998.20
  4. Step 4: Simplify right side
    7,697.88x = 46,166,255.83
  5. Step 5: Solve for x
    x = 46,166,255.83/7,697.88
  6. Step 6: Final answer
    x = 5,997.27

Related Problems

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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.