Home / 6,171.42-8,516.79-3,518.76

Finding the Fourth Proportional to 6,171.42, 8,516.79 and 3,518.76

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Solution

The fourth proportional to 6,171.42, 8,516.79 and 3,518.76 is: 4,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.42 : 8,516.79 = 3,518.76 : x
  2. Step 2: Convert to fraction form
    6,171.42/8,516.79 = 3,518.76/x
  3. Step 3: Cross multiply
    6,171.42x = 8,516.79 × 3,518.76
  4. Step 4: Simplify right side
    6,171.42x = 29,968,539.98
  5. Step 5: Solve for x
    x = 29,968,539.98/6,171.42
  6. Step 6: Final answer
    x = 4,856.02

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Half scale
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Double scale
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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.