Home / 8,101.60-11,179.83-5,448.58

Finding the Fourth Proportional to 8,101.60, 11,179.83 and 5,448.58

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Solution

The fourth proportional to 8,101.60, 11,179.83 and 5,448.58 is: 7,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.60 : 11,179.83 = 5,448.58 : x
  2. Step 2: Convert to fraction form
    8,101.60/11,179.83 = 5,448.58/x
  3. Step 3: Cross multiply
    8,101.60x = 11,179.83 × 5,448.58
  4. Step 4: Simplify right side
    8,101.60x = 60,914,198.14
  5. Step 5: Solve for x
    x = 60,914,198.14/8,101.60
  6. Step 6: Final answer
    x = 7,518.79

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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.