Home / 8,090.40-12,133.98-2,245.44

Finding the Fourth Proportional to 8,090.40, 12,133.98 and 2,245.44

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Solution

The fourth proportional to 8,090.40, 12,133.98 and 2,245.44 is: 3,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.40 : 12,133.98 = 2,245.44 : x
  2. Step 2: Convert to fraction form
    8,090.40/12,133.98 = 2,245.44/x
  3. Step 3: Cross multiply
    8,090.40x = 12,133.98 × 2,245.44
  4. Step 4: Simplify right side
    8,090.40x = 27,246,124.05
  5. Step 5: Solve for x
    x = 27,246,124.05/8,090.40
  6. Step 6: Final answer
    x = 3,367.71

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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.