Home / 5,198.29-7,792.81-1,910.62

Finding the Fourth Proportional to 5,198.29, 7,792.81 and 1,910.62

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Solution

The fourth proportional to 5,198.29, 7,792.81 and 1,910.62 is: 2,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.29 : 7,792.81 = 1,910.62 : x
  2. Step 2: Convert to fraction form
    5,198.29/7,792.81 = 1,910.62/x
  3. Step 3: Cross multiply
    5,198.29x = 7,792.81 × 1,910.62
  4. Step 4: Simplify right side
    5,198.29x = 14,889,059.68
  5. Step 5: Solve for x
    x = 14,889,059.68/5,198.29
  6. Step 6: Final answer
    x = 2,864.22

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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.