Home / 8,513.38-12,771.64-3,833.50

Finding the Fourth Proportional to 8,513.38, 12,771.64 and 3,833.50

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Solution

The fourth proportional to 8,513.38, 12,771.64 and 3,833.50 is: 5,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.38 : 12,771.64 = 3,833.50 : x
  2. Step 2: Convert to fraction form
    8,513.38/12,771.64 = 3,833.50/x
  3. Step 3: Cross multiply
    8,513.38x = 12,771.64 × 3,833.50
  4. Step 4: Simplify right side
    8,513.38x = 48,960,081.94
  5. Step 5: Solve for x
    x = 48,960,081.94/8,513.38
  6. Step 6: Final answer
    x = 5,750.96

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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.