Home / 6,717.72-10,078.02-2,557.82

Finding the Fourth Proportional to 6,717.72, 10,078.02 and 2,557.82

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Solution

The fourth proportional to 6,717.72, 10,078.02 and 2,557.82 is: 3,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.72 : 10,078.02 = 2,557.82 : x
  2. Step 2: Convert to fraction form
    6,717.72/10,078.02 = 2,557.82/x
  3. Step 3: Cross multiply
    6,717.72x = 10,078.02 × 2,557.82
  4. Step 4: Simplify right side
    6,717.72x = 25,777,710.73
  5. Step 5: Solve for x
    x = 25,777,710.73/6,717.72
  6. Step 6: Final answer
    x = 3,837.27

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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.