Home / 8,376.27-12,555.60-2,827.69

Finding the Fourth Proportional to 8,376.27, 12,555.60 and 2,827.69

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Solution

The fourth proportional to 8,376.27, 12,555.60 and 2,827.69 is: 4,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.27 : 12,555.60 = 2,827.69 : x
  2. Step 2: Convert to fraction form
    8,376.27/12,555.60 = 2,827.69/x
  3. Step 3: Cross multiply
    8,376.27x = 12,555.60 × 2,827.69
  4. Step 4: Simplify right side
    8,376.27x = 35,503,344.56
  5. Step 5: Solve for x
    x = 35,503,344.56/8,376.27
  6. Step 6: Final answer
    x = 4,238.56

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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.