Home / 6,171.76-8,516.86-3,519.11

Finding the Fourth Proportional to 6,171.76, 8,516.86 and 3,519.11

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Solution

The fourth proportional to 6,171.76, 8,516.86 and 3,519.11 is: 4,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.76 : 8,516.86 = 3,519.11 : x
  2. Step 2: Convert to fraction form
    6,171.76/8,516.86 = 3,519.11/x
  3. Step 3: Cross multiply
    6,171.76x = 8,516.86 × 3,519.11
  4. Step 4: Simplify right side
    6,171.76x = 29,971,707.01
  5. Step 5: Solve for x
    x = 29,971,707.01/6,171.76
  6. Step 6: Final answer
    x = 4,856.27

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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.