Home / 6,731.28-10,103.64-3,655.44

Finding the Fourth Proportional to 6,731.28, 10,103.64 and 3,655.44

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Solution

The fourth proportional to 6,731.28, 10,103.64 and 3,655.44 is: 5,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.28 : 10,103.64 = 3,655.44 : x
  2. Step 2: Convert to fraction form
    6,731.28/10,103.64 = 3,655.44/x
  3. Step 3: Cross multiply
    6,731.28x = 10,103.64 × 3,655.44
  4. Step 4: Simplify right side
    6,731.28x = 36,933,249.80
  5. Step 5: Solve for x
    x = 36,933,249.80/6,731.28
  6. Step 6: Final answer
    x = 5,486.81

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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.