Home / 4,183.65-6,276.69-1,992.42

Finding the Fourth Proportional to 4,183.65, 6,276.69 and 1,992.42

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Solution

The fourth proportional to 4,183.65, 6,276.69 and 1,992.42 is: 2,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.65 : 6,276.69 = 1,992.42 : x
  2. Step 2: Convert to fraction form
    4,183.65/6,276.69 = 1,992.42/x
  3. Step 3: Cross multiply
    4,183.65x = 6,276.69 × 1,992.42
  4. Step 4: Simplify right side
    4,183.65x = 12,505,802.69
  5. Step 5: Solve for x
    x = 12,505,802.69/4,183.65
  6. Step 6: Final answer
    x = 2,989.21

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1.5x scale

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.