Home / 6,857.07-10,287.23-3,569.42

Finding the Fourth Proportional to 6,857.07, 10,287.23 and 3,569.42

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Solution

The fourth proportional to 6,857.07, 10,287.23 and 3,569.42 is: 5,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.07 : 10,287.23 = 3,569.42 : x
  2. Step 2: Convert to fraction form
    6,857.07/10,287.23 = 3,569.42/x
  3. Step 3: Cross multiply
    6,857.07x = 10,287.23 × 3,569.42
  4. Step 4: Simplify right side
    6,857.07x = 36,719,375.22
  5. Step 5: Solve for x
    x = 36,719,375.22/6,857.07
  6. Step 6: Final answer
    x = 5,354.97

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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.