Home / 4,192.26-6,287.68-1,269.87

Finding the Fourth Proportional to 4,192.26, 6,287.68 and 1,269.87

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Solution

The fourth proportional to 4,192.26, 6,287.68 and 1,269.87 is: 1,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.26 : 6,287.68 = 1,269.87 : x
  2. Step 2: Convert to fraction form
    4,192.26/6,287.68 = 1,269.87/x
  3. Step 3: Cross multiply
    4,192.26x = 6,287.68 × 1,269.87
  4. Step 4: Simplify right side
    4,192.26x = 7,984,536.20
  5. Step 5: Solve for x
    x = 7,984,536.20/4,192.26
  6. Step 6: Final answer
    x = 1,904.59

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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.