Home / 8,468.35-12,704.38-3,538.49

Finding the Fourth Proportional to 8,468.35, 12,704.38 and 3,538.49

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Solution

The fourth proportional to 8,468.35, 12,704.38 and 3,538.49 is: 5,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.35 : 12,704.38 = 3,538.49 : x
  2. Step 2: Convert to fraction form
    8,468.35/12,704.38 = 3,538.49/x
  3. Step 3: Cross multiply
    8,468.35x = 12,704.38 × 3,538.49
  4. Step 4: Simplify right side
    8,468.35x = 44,954,249.22
  5. Step 5: Solve for x
    x = 44,954,249.22/8,468.35
  6. Step 6: Final answer
    x = 5,308.50

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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.