Home / 8,757.57-13,140.91-2,836.27

Finding the Fourth Proportional to 8,757.57, 13,140.91 and 2,836.27

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Solution

The fourth proportional to 8,757.57, 13,140.91 and 2,836.27 is: 4,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.57 : 13,140.91 = 2,836.27 : x
  2. Step 2: Convert to fraction form
    8,757.57/13,140.91 = 2,836.27/x
  3. Step 3: Cross multiply
    8,757.57x = 13,140.91 × 2,836.27
  4. Step 4: Simplify right side
    8,757.57x = 37,271,106.88
  5. Step 5: Solve for x
    x = 37,271,106.88/8,757.57
  6. Step 6: Final answer
    x = 4,255.87

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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.