Home / 6,721.76-10,081.42-2,559.58

Finding the Fourth Proportional to 6,721.76, 10,081.42 and 2,559.58

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Solution

The fourth proportional to 6,721.76, 10,081.42 and 2,559.58 is: 3,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.76 : 10,081.42 = 2,559.58 : x
  2. Step 2: Convert to fraction form
    6,721.76/10,081.42 = 2,559.58/x
  3. Step 3: Cross multiply
    6,721.76x = 10,081.42 × 2,559.58
  4. Step 4: Simplify right side
    6,721.76x = 25,804,201.00
  5. Step 5: Solve for x
    x = 25,804,201.00/6,721.76
  6. Step 6: Final answer
    x = 3,838.91

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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.