Home / 5,091.36-7,635.19-3,997.86

Finding the Fourth Proportional to 5,091.36, 7,635.19 and 3,997.86

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Solution

The fourth proportional to 5,091.36, 7,635.19 and 3,997.86 is: 5,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.36 : 7,635.19 = 3,997.86 : x
  2. Step 2: Convert to fraction form
    5,091.36/7,635.19 = 3,997.86/x
  3. Step 3: Cross multiply
    5,091.36x = 7,635.19 × 3,997.86
  4. Step 4: Simplify right side
    5,091.36x = 30,524,420.69
  5. Step 5: Solve for x
    x = 30,524,420.69/5,091.36
  6. Step 6: Final answer
    x = 5,995.34

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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.