Home / 4,919.12-7,371.62-3,664.04

Finding the Fourth Proportional to 4,919.12, 7,371.62 and 3,664.04

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Solution

The fourth proportional to 4,919.12, 7,371.62 and 3,664.04 is: 5,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.12 : 7,371.62 = 3,664.04 : x
  2. Step 2: Convert to fraction form
    4,919.12/7,371.62 = 3,664.04/x
  3. Step 3: Cross multiply
    4,919.12x = 7,371.62 × 3,664.04
  4. Step 4: Simplify right side
    4,919.12x = 27,009,910.54
  5. Step 5: Solve for x
    x = 27,009,910.54/4,919.12
  6. Step 6: Final answer
    x = 5,490.80

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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.