Home / 7,831.37-11,724.49-5,201.50

Finding the Fourth Proportional to 7,831.37, 11,724.49 and 5,201.50

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Solution

The fourth proportional to 7,831.37, 11,724.49 and 5,201.50 is: 7,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.37 : 11,724.49 = 5,201.50 : x
  2. Step 2: Convert to fraction form
    7,831.37/11,724.49 = 5,201.50/x
  3. Step 3: Cross multiply
    7,831.37x = 11,724.49 × 5,201.50
  4. Step 4: Simplify right side
    7,831.37x = 60,984,921.73
  5. Step 5: Solve for x
    x = 60,984,921.73/7,831.37
  6. Step 6: Final answer
    x = 7,787.26

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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.