Home / 8,002.22-12,001.94-3,618.66

Finding the Fourth Proportional to 8,002.22, 12,001.94 and 3,618.66

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Solution

The fourth proportional to 8,002.22, 12,001.94 and 3,618.66 is: 5,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.22 : 12,001.94 = 3,618.66 : x
  2. Step 2: Convert to fraction form
    8,002.22/12,001.94 = 3,618.66/x
  3. Step 3: Cross multiply
    8,002.22x = 12,001.94 × 3,618.66
  4. Step 4: Simplify right side
    8,002.22x = 43,430,940.20
  5. Step 5: Solve for x
    x = 43,430,940.20/8,002.22
  6. Step 6: Final answer
    x = 5,427.36

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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.