Home / 6,859.46-10,287.12-2,179.28

Finding the Fourth Proportional to 6,859.46, 10,287.12 and 2,179.28

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Solution

The fourth proportional to 6,859.46, 10,287.12 and 2,179.28 is: 3,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.46 : 10,287.12 = 2,179.28 : x
  2. Step 2: Convert to fraction form
    6,859.46/10,287.12 = 2,179.28/x
  3. Step 3: Cross multiply
    6,859.46x = 10,287.12 × 2,179.28
  4. Step 4: Simplify right side
    6,859.46x = 22,418,514.87
  5. Step 5: Solve for x
    x = 22,418,514.87/6,859.46
  6. Step 6: Final answer
    x = 3,268.26

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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.