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Finding the Fourth Proportional to 8,600.97, 12,901.61 and 3,050.45

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Solution

The fourth proportional to 8,600.97, 12,901.61 and 3,050.45 is: 4,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.97 : 12,901.61 = 3,050.45 : x
  2. Step 2: Convert to fraction form
    8,600.97/12,901.61 = 3,050.45/x
  3. Step 3: Cross multiply
    8,600.97x = 12,901.61 × 3,050.45
  4. Step 4: Simplify right side
    8,600.97x = 39,355,716.22
  5. Step 5: Solve for x
    x = 39,355,716.22/8,600.97
  6. Step 6: Final answer
    x = 4,575.73

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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.