Home / 6,624.36-9,141.66-3,640.44

Finding the Fourth Proportional to 6,624.36, 9,141.66 and 3,640.44

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Solution

The fourth proportional to 6,624.36, 9,141.66 and 3,640.44 is: 5,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.36 : 9,141.66 = 3,640.44 : x
  2. Step 2: Convert to fraction form
    6,624.36/9,141.66 = 3,640.44/x
  3. Step 3: Cross multiply
    6,624.36x = 9,141.66 × 3,640.44
  4. Step 4: Simplify right side
    6,624.36x = 33,279,664.73
  5. Step 5: Solve for x
    x = 33,279,664.73/6,624.36
  6. Step 6: Final answer
    x = 5,023.83

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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.