Home / 6,944.78-10,408.66-3,655.78

Finding the Fourth Proportional to 6,944.78, 10,408.66 and 3,655.78

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Solution

The fourth proportional to 6,944.78, 10,408.66 and 3,655.78 is: 5,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,944.78 : 10,408.66 = 3,655.78 : x
  2. Step 2: Convert to fraction form
    6,944.78/10,408.66 = 3,655.78/x
  3. Step 3: Cross multiply
    6,944.78x = 10,408.66 × 3,655.78
  4. Step 4: Simplify right side
    6,944.78x = 38,051,735.89
  5. Step 5: Solve for x
    x = 38,051,735.89/6,944.78
  6. Step 6: Final answer
    x = 5,479.18

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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.