Home / 8,091.42-12,135.91-2,247.27

Finding the Fourth Proportional to 8,091.42, 12,135.91 and 2,247.27

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Solution

The fourth proportional to 8,091.42, 12,135.91 and 2,247.27 is: 3,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.42 : 12,135.91 = 2,247.27 : x
  2. Step 2: Convert to fraction form
    8,091.42/12,135.91 = 2,247.27/x
  3. Step 3: Cross multiply
    8,091.42x = 12,135.91 × 2,247.27
  4. Step 4: Simplify right side
    8,091.42x = 27,272,666.47
  5. Step 5: Solve for x
    x = 27,272,666.47/8,091.42
  6. Step 6: Final answer
    x = 3,370.57

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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.