Home / 6,121.62-9,182.64-3,200.76

Finding the Fourth Proportional to 6,121.62, 9,182.64 and 3,200.76

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Solution

The fourth proportional to 6,121.62, 9,182.64 and 3,200.76 is: 4,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.62 : 9,182.64 = 3,200.76 : x
  2. Step 2: Convert to fraction form
    6,121.62/9,182.64 = 3,200.76/x
  3. Step 3: Cross multiply
    6,121.62x = 9,182.64 × 3,200.76
  4. Step 4: Simplify right side
    6,121.62x = 29,391,426.81
  5. Step 5: Solve for x
    x = 29,391,426.81/6,121.62
  6. Step 6: Final answer
    x = 4,801.25

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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.