Home / 6,171.39-8,516.49-3,376.89

Finding the Fourth Proportional to 6,171.39, 8,516.49 and 3,376.89

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Solution

The fourth proportional to 6,171.39, 8,516.49 and 3,376.89 is: 4,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.39 : 8,516.49 = 3,376.89 : x
  2. Step 2: Convert to fraction form
    6,171.39/8,516.49 = 3,376.89/x
  3. Step 3: Cross multiply
    6,171.39x = 8,516.49 × 3,376.89
  4. Step 4: Simplify right side
    6,171.39x = 28,759,249.92
  5. Step 5: Solve for x
    x = 28,759,249.92/6,171.39
  6. Step 6: Final answer
    x = 4,660.09

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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.