Home / 6,122.38-9,176.50-2,785.62

Finding the Fourth Proportional to 6,122.38, 9,176.50 and 2,785.62

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Solution

The fourth proportional to 6,122.38, 9,176.50 and 2,785.62 is: 4,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.38 : 9,176.50 = 2,785.62 : x
  2. Step 2: Convert to fraction form
    6,122.38/9,176.50 = 2,785.62/x
  3. Step 3: Cross multiply
    6,122.38x = 9,176.50 × 2,785.62
  4. Step 4: Simplify right side
    6,122.38x = 25,562,241.93
  5. Step 5: Solve for x
    x = 25,562,241.93/6,122.38
  6. Step 6: Final answer
    x = 4,175.21

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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.