Home / 6,318.81-9,481.86-2,808.54

Finding the Fourth Proportional to 6,318.81, 9,481.86 and 2,808.54

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Solution

The fourth proportional to 6,318.81, 9,481.86 and 2,808.54 is: 4,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.81 : 9,481.86 = 2,808.54 : x
  2. Step 2: Convert to fraction form
    6,318.81/9,481.86 = 2,808.54/x
  3. Step 3: Cross multiply
    6,318.81x = 9,481.86 × 2,808.54
  4. Step 4: Simplify right side
    6,318.81x = 26,630,183.08
  5. Step 5: Solve for x
    x = 26,630,183.08/6,318.81
  6. Step 6: Final answer
    x = 4,214.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.