Home / 8,102.12-11,181.51-4,517.32

Finding the Fourth Proportional to 8,102.12, 11,181.51 and 4,517.32

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Solution

The fourth proportional to 8,102.12, 11,181.51 and 4,517.32 is: 6,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.12 : 11,181.51 = 4,517.32 : x
  2. Step 2: Convert to fraction form
    8,102.12/11,181.51 = 4,517.32/x
  3. Step 3: Cross multiply
    8,102.12x = 11,181.51 × 4,517.32
  4. Step 4: Simplify right side
    8,102.12x = 50,510,458.75
  5. Step 5: Solve for x
    x = 50,510,458.75/8,102.12
  6. Step 6: Final answer
    x = 6,234.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.