Home / 6,171.59-8,516.58-3,519.86

Finding the Fourth Proportional to 6,171.59, 8,516.58 and 3,519.86

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Solution

The fourth proportional to 6,171.59, 8,516.58 and 3,519.86 is: 4,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.59 : 8,516.58 = 3,519.86 : x
  2. Step 2: Convert to fraction form
    6,171.59/8,516.58 = 3,519.86/x
  3. Step 3: Cross multiply
    6,171.59x = 8,516.58 × 3,519.86
  4. Step 4: Simplify right side
    6,171.59x = 29,977,126.70
  5. Step 5: Solve for x
    x = 29,977,126.70/6,171.59
  6. Step 6: Final answer
    x = 4,857.28

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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.