Home / 6,789.24-10,181.88-2,108.04

Finding the Fourth Proportional to 6,789.24, 10,181.88 and 2,108.04

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Solution

The fourth proportional to 6,789.24, 10,181.88 and 2,108.04 is: 3,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.24 : 10,181.88 = 2,108.04 : x
  2. Step 2: Convert to fraction form
    6,789.24/10,181.88 = 2,108.04/x
  3. Step 3: Cross multiply
    6,789.24x = 10,181.88 × 2,108.04
  4. Step 4: Simplify right side
    6,789.24x = 21,463,810.32
  5. Step 5: Solve for x
    x = 21,463,810.32/6,789.24
  6. Step 6: Final answer
    x = 3,161.45

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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.