Home / 8,763.72-13,147.29-3,217.11

Finding the Fourth Proportional to 8,763.72, 13,147.29 and 3,217.11

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Solution

The fourth proportional to 8,763.72, 13,147.29 and 3,217.11 is: 4,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.72 : 13,147.29 = 3,217.11 : x
  2. Step 2: Convert to fraction form
    8,763.72/13,147.29 = 3,217.11/x
  3. Step 3: Cross multiply
    8,763.72x = 13,147.29 × 3,217.11
  4. Step 4: Simplify right side
    8,763.72x = 42,296,278.13
  5. Step 5: Solve for x
    x = 42,296,278.13/8,763.72
  6. Step 6: Final answer
    x = 4,826.29

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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.