Home / 4,192.38-6,289.22-1,269.99

Finding the Fourth Proportional to 4,192.38, 6,289.22 and 1,269.99

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Solution

The fourth proportional to 4,192.38, 6,289.22 and 1,269.99 is: 1,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.38 : 6,289.22 = 1,269.99 : x
  2. Step 2: Convert to fraction form
    4,192.38/6,289.22 = 1,269.99/x
  3. Step 3: Cross multiply
    4,192.38x = 6,289.22 × 1,269.99
  4. Step 4: Simplify right side
    4,192.38x = 7,987,249.68
  5. Step 5: Solve for x
    x = 7,987,249.68/4,192.38
  6. Step 6: Final answer
    x = 1,905.18

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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.