Home / 8,099.35-11,179.19-5,273.78

Finding the Fourth Proportional to 8,099.35, 11,179.19 and 5,273.78

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Solution

The fourth proportional to 8,099.35, 11,179.19 and 5,273.78 is: 7,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.35 : 11,179.19 = 5,273.78 : x
  2. Step 2: Convert to fraction form
    8,099.35/11,179.19 = 5,273.78/x
  3. Step 3: Cross multiply
    8,099.35x = 11,179.19 × 5,273.78
  4. Step 4: Simplify right side
    8,099.35x = 58,956,588.64
  5. Step 5: Solve for x
    x = 58,956,588.64/8,099.35
  6. Step 6: Final answer
    x = 7,279.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.