Home / 8,940.90-13,406.14-2,699.04

Finding the Fourth Proportional to 8,940.90, 13,406.14 and 2,699.04

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Solution

The fourth proportional to 8,940.90, 13,406.14 and 2,699.04 is: 4,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.90 : 13,406.14 = 2,699.04 : x
  2. Step 2: Convert to fraction form
    8,940.90/13,406.14 = 2,699.04/x
  3. Step 3: Cross multiply
    8,940.90x = 13,406.14 × 2,699.04
  4. Step 4: Simplify right side
    8,940.90x = 36,183,708.11
  5. Step 5: Solve for x
    x = 36,183,708.11/8,940.90
  6. Step 6: Final answer
    x = 4,046.99

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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.