Home / 4,192.92-6,288.66-1,270.80

Finding the Fourth Proportional to 4,192.92, 6,288.66 and 1,270.80

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Solution

The fourth proportional to 4,192.92, 6,288.66 and 1,270.80 is: 1,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.92 : 6,288.66 = 1,270.80 : x
  2. Step 2: Convert to fraction form
    4,192.92/6,288.66 = 1,270.80/x
  3. Step 3: Cross multiply
    4,192.92x = 6,288.66 × 1,270.80
  4. Step 4: Simplify right side
    4,192.92x = 7,991,629.13
  5. Step 5: Solve for x
    x = 7,991,629.13/4,192.92
  6. Step 6: Final answer
    x = 1,905.98

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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.