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Finding the Fourth Proportional to 8,468.44, 12,705.44 and 3,539.49

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Solution

The fourth proportional to 8,468.44, 12,705.44 and 3,539.49 is: 5,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.44 : 12,705.44 = 3,539.49 : x
  2. Step 2: Convert to fraction form
    8,468.44/12,705.44 = 3,539.49/x
  3. Step 3: Cross multiply
    8,468.44x = 12,705.44 × 3,539.49
  4. Step 4: Simplify right side
    8,468.44x = 44,970,777.83
  5. Step 5: Solve for x
    x = 44,970,777.83/8,468.44
  6. Step 6: Final answer
    x = 5,310.40

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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.