Home / 4,227.47-5,831.36-2,791.84

Finding the Fourth Proportional to 4,227.47, 5,831.36 and 2,791.84

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Solution

The fourth proportional to 4,227.47, 5,831.36 and 2,791.84 is: 3,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.47 : 5,831.36 = 2,791.84 : x
  2. Step 2: Convert to fraction form
    4,227.47/5,831.36 = 2,791.84/x
  3. Step 3: Cross multiply
    4,227.47x = 5,831.36 × 2,791.84
  4. Step 4: Simplify right side
    4,227.47x = 16,280,235.19
  5. Step 5: Solve for x
    x = 16,280,235.19/4,227.47
  6. Step 6: Final answer
    x = 3,851.06

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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.