Home / 8,782.26-13,170.18-3,849.36

Finding the Fourth Proportional to 8,782.26, 13,170.18 and 3,849.36

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Solution

The fourth proportional to 8,782.26, 13,170.18 and 3,849.36 is: 5,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.26 : 13,170.18 = 3,849.36 : x
  2. Step 2: Convert to fraction form
    8,782.26/13,170.18 = 3,849.36/x
  3. Step 3: Cross multiply
    8,782.26x = 13,170.18 × 3,849.36
  4. Step 4: Simplify right side
    8,782.26x = 50,696,764.08
  5. Step 5: Solve for x
    x = 50,696,764.08/8,782.26
  6. Step 6: Final answer
    x = 5,772.63

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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.