Home / 4,171.80-6,257.70-3,515.70

Finding the Fourth Proportional to 4,171.80, 6,257.70 and 3,515.70

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Solution

The fourth proportional to 4,171.80, 6,257.70 and 3,515.70 is: 5,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.80 : 6,257.70 = 3,515.70 : x
  2. Step 2: Convert to fraction form
    4,171.80/6,257.70 = 3,515.70/x
  3. Step 3: Cross multiply
    4,171.80x = 6,257.70 × 3,515.70
  4. Step 4: Simplify right side
    4,171.80x = 22,000,195.89
  5. Step 5: Solve for x
    x = 22,000,195.89/4,171.80
  6. Step 6: Final answer
    x = 5,273.55

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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.