Home / 8,604.09-12,901.86-2,759.94

Finding the Fourth Proportional to 8,604.09, 12,901.86 and 2,759.94

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Solution

The fourth proportional to 8,604.09, 12,901.86 and 2,759.94 is: 4,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.09 : 12,901.86 = 2,759.94 : x
  2. Step 2: Convert to fraction form
    8,604.09/12,901.86 = 2,759.94/x
  3. Step 3: Cross multiply
    8,604.09x = 12,901.86 × 2,759.94
  4. Step 4: Simplify right side
    8,604.09x = 35,608,359.49
  5. Step 5: Solve for x
    x = 35,608,359.49/8,604.09
  6. Step 6: Final answer
    x = 4,138.54

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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.