Home / 6,171.50-8,517.12-3,518.97

Finding the Fourth Proportional to 6,171.50, 8,517.12 and 3,518.97

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Solution

The fourth proportional to 6,171.50, 8,517.12 and 3,518.97 is: 4,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.50 : 8,517.12 = 3,518.97 : x
  2. Step 2: Convert to fraction form
    6,171.50/8,517.12 = 3,518.97/x
  3. Step 3: Cross multiply
    6,171.50x = 8,517.12 × 3,518.97
  4. Step 4: Simplify right side
    6,171.50x = 29,971,489.77
  5. Step 5: Solve for x
    x = 29,971,489.77/6,171.50
  6. Step 6: Final answer
    x = 4,856.44

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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.