Home / 6,689.44-10,040.64-3,229.12

Finding the Fourth Proportional to 6,689.44, 10,040.64 and 3,229.12

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Solution

The fourth proportional to 6,689.44, 10,040.64 and 3,229.12 is: 4,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.44 : 10,040.64 = 3,229.12 : x
  2. Step 2: Convert to fraction form
    6,689.44/10,040.64 = 3,229.12/x
  3. Step 3: Cross multiply
    6,689.44x = 10,040.64 × 3,229.12
  4. Step 4: Simplify right side
    6,689.44x = 32,422,431.44
  5. Step 5: Solve for x
    x = 32,422,431.44/6,689.44
  6. Step 6: Final answer
    x = 4,846.81

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1.5x scale

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.