Home / 8,071.18-12,080.73-4,170.22

Finding the Fourth Proportional to 8,071.18, 12,080.73 and 4,170.22

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Solution

The fourth proportional to 8,071.18, 12,080.73 and 4,170.22 is: 6,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.18 : 12,080.73 = 4,170.22 : x
  2. Step 2: Convert to fraction form
    8,071.18/12,080.73 = 4,170.22/x
  3. Step 3: Cross multiply
    8,071.18x = 12,080.73 × 4,170.22
  4. Step 4: Simplify right side
    8,071.18x = 50,379,342.49
  5. Step 5: Solve for x
    x = 50,379,342.49/8,071.18
  6. Step 6: Final answer
    x = 6,241.88

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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.