Home / 8,090.72-12,135.68-2,247.38

Finding the Fourth Proportional to 8,090.72, 12,135.68 and 2,247.38

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Solution

The fourth proportional to 8,090.72, 12,135.68 and 2,247.38 is: 3,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.72 : 12,135.68 = 2,247.38 : x
  2. Step 2: Convert to fraction form
    8,090.72/12,135.68 = 2,247.38/x
  3. Step 3: Cross multiply
    8,090.72x = 12,135.68 × 2,247.38
  4. Step 4: Simplify right side
    8,090.72x = 27,273,473.28
  5. Step 5: Solve for x
    x = 27,273,473.28/8,090.72
  6. Step 6: Final answer
    x = 3,370.96

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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.