Home / 6,745.78-10,118.30-2,065.79

Finding the Fourth Proportional to 6,745.78, 10,118.30 and 2,065.79

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Solution

The fourth proportional to 6,745.78, 10,118.30 and 2,065.79 is: 3,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.78 : 10,118.30 = 2,065.79 : x
  2. Step 2: Convert to fraction form
    6,745.78/10,118.30 = 2,065.79/x
  3. Step 3: Cross multiply
    6,745.78x = 10,118.30 × 2,065.79
  4. Step 4: Simplify right side
    6,745.78x = 20,902,313.42
  5. Step 5: Solve for x
    x = 20,902,313.42/6,745.78
  6. Step 6: Final answer
    x = 3,098.58

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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.