Home / 6,609.52-9,121.38-3,777.36

Finding the Fourth Proportional to 6,609.52, 9,121.38 and 3,777.36

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Solution

The fourth proportional to 6,609.52, 9,121.38 and 3,777.36 is: 5,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.52 : 9,121.38 = 3,777.36 : x
  2. Step 2: Convert to fraction form
    6,609.52/9,121.38 = 3,777.36/x
  3. Step 3: Cross multiply
    6,609.52x = 9,121.38 × 3,777.36
  4. Step 4: Simplify right side
    6,609.52x = 34,454,735.96
  5. Step 5: Solve for x
    x = 34,454,735.96/6,609.52
  6. Step 6: Final answer
    x = 5,212.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.