Home / 8,100.26-12,150.49-2,906.13

Finding the Fourth Proportional to 8,100.26, 12,150.49 and 2,906.13

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Solution

The fourth proportional to 8,100.26, 12,150.49 and 2,906.13 is: 4,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.26 : 12,150.49 = 2,906.13 : x
  2. Step 2: Convert to fraction form
    8,100.26/12,150.49 = 2,906.13/x
  3. Step 3: Cross multiply
    8,100.26x = 12,150.49 × 2,906.13
  4. Step 4: Simplify right side
    8,100.26x = 35,310,903.50
  5. Step 5: Solve for x
    x = 35,310,903.50/8,100.26
  6. Step 6: Final answer
    x = 4,359.23

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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.