Home / 8,504.12-12,755.34-2,660.56

Finding the Fourth Proportional to 8,504.12, 12,755.34 and 2,660.56

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Solution

The fourth proportional to 8,504.12, 12,755.34 and 2,660.56 is: 3,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.12 : 12,755.34 = 2,660.56 : x
  2. Step 2: Convert to fraction form
    8,504.12/12,755.34 = 2,660.56/x
  3. Step 3: Cross multiply
    8,504.12x = 12,755.34 × 2,660.56
  4. Step 4: Simplify right side
    8,504.12x = 33,936,347.39
  5. Step 5: Solve for x
    x = 33,936,347.39/8,504.12
  6. Step 6: Final answer
    x = 3,990.58

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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.