Home / 6,171.28-8,516.15-3,519.54

Finding the Fourth Proportional to 6,171.28, 8,516.15 and 3,519.54

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Solution

The fourth proportional to 6,171.28, 8,516.15 and 3,519.54 is: 4,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.28 : 8,516.15 = 3,519.54 : x
  2. Step 2: Convert to fraction form
    6,171.28/8,516.15 = 3,519.54/x
  3. Step 3: Cross multiply
    6,171.28x = 8,516.15 × 3,519.54
  4. Step 4: Simplify right side
    6,171.28x = 29,972,930.57
  5. Step 5: Solve for x
    x = 29,972,930.57/6,171.28
  6. Step 6: Final answer
    x = 4,856.84

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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.