Home / 8,997.39-12,416.94-5,221.44

Finding the Fourth Proportional to 8,997.39, 12,416.94 and 5,221.44

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Solution

The fourth proportional to 8,997.39, 12,416.94 and 5,221.44 is: 7,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.39 : 12,416.94 = 5,221.44 : x
  2. Step 2: Convert to fraction form
    8,997.39/12,416.94 = 5,221.44/x
  3. Step 3: Cross multiply
    8,997.39x = 12,416.94 × 5,221.44
  4. Step 4: Simplify right side
    8,997.39x = 64,834,307.19
  5. Step 5: Solve for x
    x = 64,834,307.19/8,997.39
  6. Step 6: Final answer
    x = 7,205.90

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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.