Home / 8,935.22-13,388.97-3,385.57

Finding the Fourth Proportional to 8,935.22, 13,388.97 and 3,385.57

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Solution

The fourth proportional to 8,935.22, 13,388.97 and 3,385.57 is: 5,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.22 : 13,388.97 = 3,385.57 : x
  2. Step 2: Convert to fraction form
    8,935.22/13,388.97 = 3,385.57/x
  3. Step 3: Cross multiply
    8,935.22x = 13,388.97 × 3,385.57
  4. Step 4: Simplify right side
    8,935.22x = 45,329,295.16
  5. Step 5: Solve for x
    x = 45,329,295.16/8,935.22
  6. Step 6: Final answer
    x = 5,073.10

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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.