Home / 8,754.22-13,126.95-2,908.78

Finding the Fourth Proportional to 8,754.22, 13,126.95 and 2,908.78

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Solution

The fourth proportional to 8,754.22, 13,126.95 and 2,908.78 is: 4,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.22 : 13,126.95 = 2,908.78 : x
  2. Step 2: Convert to fraction form
    8,754.22/13,126.95 = 2,908.78/x
  3. Step 3: Cross multiply
    8,754.22x = 13,126.95 × 2,908.78
  4. Step 4: Simplify right side
    8,754.22x = 38,183,409.62
  5. Step 5: Solve for x
    x = 38,183,409.62/8,754.22
  6. Step 6: Final answer
    x = 4,361.71

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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.