Home / 8,940.29-13,405.20-2,698.43

Finding the Fourth Proportional to 8,940.29, 13,405.20 and 2,698.43

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Solution

The fourth proportional to 8,940.29, 13,405.20 and 2,698.43 is: 4,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.29 : 13,405.20 = 2,698.43 : x
  2. Step 2: Convert to fraction form
    8,940.29/13,405.20 = 2,698.43/x
  3. Step 3: Cross multiply
    8,940.29x = 13,405.20 × 2,698.43
  4. Step 4: Simplify right side
    8,940.29x = 36,172,993.84
  5. Step 5: Solve for x
    x = 36,172,993.84/8,940.29
  6. Step 6: Final answer
    x = 4,046.06

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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.