Home / 8,003.22-12,003.44-3,619.66

Finding the Fourth Proportional to 8,003.22, 12,003.44 and 3,619.66

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Solution

The fourth proportional to 8,003.22, 12,003.44 and 3,619.66 is: 5,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.22 : 12,003.44 = 3,619.66 : x
  2. Step 2: Convert to fraction form
    8,003.22/12,003.44 = 3,619.66/x
  3. Step 3: Cross multiply
    8,003.22x = 12,003.44 × 3,619.66
  4. Step 4: Simplify right side
    8,003.22x = 43,448,371.63
  5. Step 5: Solve for x
    x = 43,448,371.63/8,003.22
  6. Step 6: Final answer
    x = 5,428.86

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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.