Home / 6,721.30-10,080.60-2,558.44

Finding the Fourth Proportional to 6,721.30, 10,080.60 and 2,558.44

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Solution

The fourth proportional to 6,721.30, 10,080.60 and 2,558.44 is: 3,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.30 : 10,080.60 = 2,558.44 : x
  2. Step 2: Convert to fraction form
    6,721.30/10,080.60 = 2,558.44/x
  3. Step 3: Cross multiply
    6,721.30x = 10,080.60 × 2,558.44
  4. Step 4: Simplify right side
    6,721.30x = 25,790,610.26
  5. Step 5: Solve for x
    x = 25,790,610.26/6,721.30
  6. Step 6: Final answer
    x = 3,837.15

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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.