Home / 5,175.35-7,141.90-3,050.55

Finding the Fourth Proportional to 5,175.35, 7,141.90 and 3,050.55

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Solution

The fourth proportional to 5,175.35, 7,141.90 and 3,050.55 is: 4,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.35 : 7,141.90 = 3,050.55 : x
  2. Step 2: Convert to fraction form
    5,175.35/7,141.90 = 3,050.55/x
  3. Step 3: Cross multiply
    5,175.35x = 7,141.90 × 3,050.55
  4. Step 4: Simplify right side
    5,175.35x = 21,786,723.05
  5. Step 5: Solve for x
    x = 21,786,723.05/5,175.35
  6. Step 6: Final answer
    x = 4,209.71

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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.