Home / 6,171.20-8,516.76-3,519.44

Finding the Fourth Proportional to 6,171.20, 8,516.76 and 3,519.44

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Solution

The fourth proportional to 6,171.20, 8,516.76 and 3,519.44 is: 4,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.20 : 8,516.76 = 3,519.44 : x
  2. Step 2: Convert to fraction form
    6,171.20/8,516.76 = 3,519.44/x
  3. Step 3: Cross multiply
    6,171.20x = 8,516.76 × 3,519.44
  4. Step 4: Simplify right side
    6,171.20x = 29,974,225.81
  5. Step 5: Solve for x
    x = 29,974,225.81/6,171.20
  6. Step 6: Final answer
    x = 4,857.11

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Half scale
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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.