Home / 10,717.79-16,076.06-3,221.18

Finding the Fourth Proportional to 10,717.79, 16,076.06 and 3,221.18

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Solution

The fourth proportional to 10,717.79, 16,076.06 and 3,221.18 is: 4,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.79 : 16,076.06 = 3,221.18 : x
  2. Step 2: Convert to fraction form
    10,717.79/16,076.06 = 3,221.18/x
  3. Step 3: Cross multiply
    10,717.79x = 16,076.06 × 3,221.18
  4. Step 4: Simplify right side
    10,717.79x = 51,783,907.04
  5. Step 5: Solve for x
    x = 51,783,907.04/10,717.79
  6. Step 6: Final answer
    x = 4,831.59

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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.