Home / 6,171.27-8,516.79-4,071.75

Finding the Fourth Proportional to 6,171.27, 8,516.79 and 4,071.75

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Solution

The fourth proportional to 6,171.27, 8,516.79 and 4,071.75 is: 5,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.27 : 8,516.79 = 4,071.75 : x
  2. Step 2: Convert to fraction form
    6,171.27/8,516.79 = 4,071.75/x
  3. Step 3: Cross multiply
    6,171.27x = 8,516.79 × 4,071.75
  4. Step 4: Simplify right side
    6,171.27x = 34,678,239.68
  5. Step 5: Solve for x
    x = 34,678,239.68/6,171.27
  6. Step 6: Final answer
    x = 5,619.30

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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.