Home / 6,650.96-9,963.66-3,720.38

Finding the Fourth Proportional to 6,650.96, 9,963.66 and 3,720.38

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Solution

The fourth proportional to 6,650.96, 9,963.66 and 3,720.38 is: 5,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.96 : 9,963.66 = 3,720.38 : x
  2. Step 2: Convert to fraction form
    6,650.96/9,963.66 = 3,720.38/x
  3. Step 3: Cross multiply
    6,650.96x = 9,963.66 × 3,720.38
  4. Step 4: Simplify right side
    6,650.96x = 37,068,601.39
  5. Step 5: Solve for x
    x = 37,068,601.39/6,650.96
  6. Step 6: Final answer
    x = 5,573.42

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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.