Home / 8,318.19-12,464.46-4,096.60

Finding the Fourth Proportional to 8,318.19, 12,464.46 and 4,096.60

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Solution

The fourth proportional to 8,318.19, 12,464.46 and 4,096.60 is: 6,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.19 : 12,464.46 = 4,096.60 : x
  2. Step 2: Convert to fraction form
    8,318.19/12,464.46 = 4,096.60/x
  3. Step 3: Cross multiply
    8,318.19x = 12,464.46 × 4,096.60
  4. Step 4: Simplify right side
    8,318.19x = 51,061,917.51
  5. Step 5: Solve for x
    x = 51,061,917.51/8,318.19
  6. Step 6: Final answer
    x = 6,138.58

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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.