Home / 8,997.43-12,416.49-5,221.33

Finding the Fourth Proportional to 8,997.43, 12,416.49 and 5,221.33

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Solution

The fourth proportional to 8,997.43, 12,416.49 and 5,221.33 is: 7,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.43 : 12,416.49 = 5,221.33 : x
  2. Step 2: Convert to fraction form
    8,997.43/12,416.49 = 5,221.33/x
  3. Step 3: Cross multiply
    8,997.43x = 12,416.49 × 5,221.33
  4. Step 4: Simplify right side
    8,997.43x = 64,830,591.73
  5. Step 5: Solve for x
    x = 64,830,591.73/8,997.43
  6. Step 6: Final answer
    x = 7,205.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.