Home / 5,224.13-7,836.20-1,761.38

Finding the Fourth Proportional to 5,224.13, 7,836.20 and 1,761.38

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Solution

The fourth proportional to 5,224.13, 7,836.20 and 1,761.38 is: 2,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.13 : 7,836.20 = 1,761.38 : x
  2. Step 2: Convert to fraction form
    5,224.13/7,836.20 = 1,761.38/x
  3. Step 3: Cross multiply
    5,224.13x = 7,836.20 × 1,761.38
  4. Step 4: Simplify right side
    5,224.13x = 13,802,477.97
  5. Step 5: Solve for x
    x = 13,802,477.97/5,224.13
  6. Step 6: Final answer
    x = 2,642.07

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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.