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Finding the Fourth Proportional to 8,350, 12,525.83 and 3,086.39

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Solution

The fourth proportional to 8,350, 12,525.83 and 3,086.39 is: 4,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350 : 12,525.83 = 3,086.39 : x
  2. Step 2: Convert to fraction form
    8,350/12,525.83 = 3,086.39/x
  3. Step 3: Cross multiply
    8,350x = 12,525.83 × 3,086.39
  4. Step 4: Simplify right side
    8,350x = 38,659,596.45
  5. Step 5: Solve for x
    x = 38,659,596.45/8,350
  6. Step 6: Final answer
    x = 4,629.89

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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.