Home / 6,171.30-8,516.62-3,518.68

Finding the Fourth Proportional to 6,171.30, 8,516.62 and 3,518.68

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Solution

The fourth proportional to 6,171.30, 8,516.62 and 3,518.68 is: 4,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.30 : 8,516.62 = 3,518.68 : x
  2. Step 2: Convert to fraction form
    6,171.30/8,516.62 = 3,518.68/x
  3. Step 3: Cross multiply
    6,171.30x = 8,516.62 × 3,518.68
  4. Step 4: Simplify right side
    6,171.30x = 29,967,260.46
  5. Step 5: Solve for x
    x = 29,967,260.46/6,171.30
  6. Step 6: Final answer
    x = 4,855.91

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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.