Home / 4,112.20-6,168.30-3,456.10

Finding the Fourth Proportional to 4,112.20, 6,168.30 and 3,456.10

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Solution

The fourth proportional to 4,112.20, 6,168.30 and 3,456.10 is: 5,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.20 : 6,168.30 = 3,456.10 : x
  2. Step 2: Convert to fraction form
    4,112.20/6,168.30 = 3,456.10/x
  3. Step 3: Cross multiply
    4,112.20x = 6,168.30 × 3,456.10
  4. Step 4: Simplify right side
    4,112.20x = 21,318,261.63
  5. Step 5: Solve for x
    x = 21,318,261.63/4,112.20
  6. Step 6: Final answer
    x = 5,184.15

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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.