Home / 8,124.45-12,187.97-3,444.48

Finding the Fourth Proportional to 8,124.45, 12,187.97 and 3,444.48

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Solution

The fourth proportional to 8,124.45, 12,187.97 and 3,444.48 is: 5,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.45 : 12,187.97 = 3,444.48 : x
  2. Step 2: Convert to fraction form
    8,124.45/12,187.97 = 3,444.48/x
  3. Step 3: Cross multiply
    8,124.45x = 12,187.97 × 3,444.48
  4. Step 4: Simplify right side
    8,124.45x = 41,981,201.68
  5. Step 5: Solve for x
    x = 41,981,201.68/8,124.45
  6. Step 6: Final answer
    x = 5,167.27

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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.