Home / 8,108.22-12,157.41-3,944.03

Finding the Fourth Proportional to 8,108.22, 12,157.41 and 3,944.03

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Solution

The fourth proportional to 8,108.22, 12,157.41 and 3,944.03 is: 5,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.22 : 12,157.41 = 3,944.03 : x
  2. Step 2: Convert to fraction form
    8,108.22/12,157.41 = 3,944.03/x
  3. Step 3: Cross multiply
    8,108.22x = 12,157.41 × 3,944.03
  4. Step 4: Simplify right side
    8,108.22x = 47,949,232.13
  5. Step 5: Solve for x
    x = 47,949,232.13/8,108.22
  6. Step 6: Final answer
    x = 5,913.66

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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.