Home / 6,286.60-9,431.04-2,586.81

Finding the Fourth Proportional to 6,286.60, 9,431.04 and 2,586.81

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Solution

The fourth proportional to 6,286.60, 9,431.04 and 2,586.81 is: 3,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.60 : 9,431.04 = 2,586.81 : x
  2. Step 2: Convert to fraction form
    6,286.60/9,431.04 = 2,586.81/x
  3. Step 3: Cross multiply
    6,286.60x = 9,431.04 × 2,586.81
  4. Step 4: Simplify right side
    6,286.60x = 24,396,314.39
  5. Step 5: Solve for x
    x = 24,396,314.39/6,286.60
  6. Step 6: Final answer
    x = 3,880.69

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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.