Home / 8,080.66-12,121.23-3,150.10

Finding the Fourth Proportional to 8,080.66, 12,121.23 and 3,150.10

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Solution

The fourth proportional to 8,080.66, 12,121.23 and 3,150.10 is: 4,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.66 : 12,121.23 = 3,150.10 : x
  2. Step 2: Convert to fraction form
    8,080.66/12,121.23 = 3,150.10/x
  3. Step 3: Cross multiply
    8,080.66x = 12,121.23 × 3,150.10
  4. Step 4: Simplify right side
    8,080.66x = 38,183,086.62
  5. Step 5: Solve for x
    x = 38,183,086.62/8,080.66
  6. Step 6: Final answer
    x = 4,725.24

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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.