Home / 11,079.70-16,619.21-2,759.71

Finding the Fourth Proportional to 11,079.70, 16,619.21 and 2,759.71

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Solution

The fourth proportional to 11,079.70, 16,619.21 and 2,759.71 is: 4,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.70 : 16,619.21 = 2,759.71 : x
  2. Step 2: Convert to fraction form
    11,079.70/16,619.21 = 2,759.71/x
  3. Step 3: Cross multiply
    11,079.70x = 16,619.21 × 2,759.71
  4. Step 4: Simplify right side
    11,079.70x = 45,864,200.03
  5. Step 5: Solve for x
    x = 45,864,200.03/11,079.70
  6. Step 6: Final answer
    x = 4,139.48

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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.