Home / 6,772.62-10,155.18-2,091.30

Finding the Fourth Proportional to 6,772.62, 10,155.18 and 2,091.30

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Solution

The fourth proportional to 6,772.62, 10,155.18 and 2,091.30 is: 3,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.62 : 10,155.18 = 2,091.30 : x
  2. Step 2: Convert to fraction form
    6,772.62/10,155.18 = 2,091.30/x
  3. Step 3: Cross multiply
    6,772.62x = 10,155.18 × 2,091.30
  4. Step 4: Simplify right side
    6,772.62x = 21,237,527.93
  5. Step 5: Solve for x
    x = 21,237,527.93/6,772.62
  6. Step 6: Final answer
    x = 3,135.79

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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.