Home / 4,405.30-6,076.14-2,831.89

Finding the Fourth Proportional to 4,405.30, 6,076.14 and 2,831.89

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Solution

The fourth proportional to 4,405.30, 6,076.14 and 2,831.89 is: 3,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.30 : 6,076.14 = 2,831.89 : x
  2. Step 2: Convert to fraction form
    4,405.30/6,076.14 = 2,831.89/x
  3. Step 3: Cross multiply
    4,405.30x = 6,076.14 × 2,831.89
  4. Step 4: Simplify right side
    4,405.30x = 17,206,960.10
  5. Step 5: Solve for x
    x = 17,206,960.10/4,405.30
  6. Step 6: Final answer
    x = 3,905.97

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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.