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Finding the Fourth Proportional to 6,171, 8,516.01 and 3,518.38

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Solution

The fourth proportional to 6,171, 8,516.01 and 3,518.38 is: 4,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171 : 8,516.01 = 3,518.38 : x
  2. Step 2: Convert to fraction form
    6,171/8,516.01 = 3,518.38/x
  3. Step 3: Cross multiply
    6,171x = 8,516.01 × 3,518.38
  4. Step 4: Simplify right side
    6,171x = 29,962,559.26
  5. Step 5: Solve for x
    x = 29,962,559.26/6,171
  6. Step 6: Final answer
    x = 4,855.38

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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.