Home / 5,819.31-8,721.75-2,695.02

Finding the Fourth Proportional to 5,819.31, 8,721.75 and 2,695.02

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Solution

The fourth proportional to 5,819.31, 8,721.75 and 2,695.02 is: 4,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.31 : 8,721.75 = 2,695.02 : x
  2. Step 2: Convert to fraction form
    5,819.31/8,721.75 = 2,695.02/x
  3. Step 3: Cross multiply
    5,819.31x = 8,721.75 × 2,695.02
  4. Step 4: Simplify right side
    5,819.31x = 23,505,290.69
  5. Step 5: Solve for x
    x = 23,505,290.69/5,819.31
  6. Step 6: Final answer
    x = 4,039.19

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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.