Home / 4,949.92-6,831.54-3,186.65

Finding the Fourth Proportional to 4,949.92, 6,831.54 and 3,186.65

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Solution

The fourth proportional to 4,949.92, 6,831.54 and 3,186.65 is: 4,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.92 : 6,831.54 = 3,186.65 : x
  2. Step 2: Convert to fraction form
    4,949.92/6,831.54 = 3,186.65/x
  3. Step 3: Cross multiply
    4,949.92x = 6,831.54 × 3,186.65
  4. Step 4: Simplify right side
    4,949.92x = 21,769,744.02
  5. Step 5: Solve for x
    x = 21,769,744.02/4,949.92
  6. Step 6: Final answer
    x = 4,398.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.