Home / 7,831.72-11,745.26-2,283.32

Finding the Fourth Proportional to 7,831.72, 11,745.26 and 2,283.32

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Solution

The fourth proportional to 7,831.72, 11,745.26 and 2,283.32 is: 3,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.72 : 11,745.26 = 2,283.32 : x
  2. Step 2: Convert to fraction form
    7,831.72/11,745.26 = 2,283.32/x
  3. Step 3: Cross multiply
    7,831.72x = 11,745.26 × 2,283.32
  4. Step 4: Simplify right side
    7,831.72x = 26,818,134.05
  5. Step 5: Solve for x
    x = 26,818,134.05/7,831.72
  6. Step 6: Final answer
    x = 3,424.30

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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.