Home / 8,070.26-12,105.39-2,226.87

Finding the Fourth Proportional to 8,070.26, 12,105.39 and 2,226.87

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Solution

The fourth proportional to 8,070.26, 12,105.39 and 2,226.87 is: 3,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.26 : 12,105.39 = 2,226.87 : x
  2. Step 2: Convert to fraction form
    8,070.26/12,105.39 = 2,226.87/x
  3. Step 3: Cross multiply
    8,070.26x = 12,105.39 × 2,226.87
  4. Step 4: Simplify right side
    8,070.26x = 26,957,088.48
  5. Step 5: Solve for x
    x = 26,957,088.48/8,070.26
  6. Step 6: Final answer
    x = 3,340.30

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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.