Home / 9,222.58-13,831.35-2,647

Finding the Fourth Proportional to 9,222.58, 13,831.35 and 2,647

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Solution

The fourth proportional to 9,222.58, 13,831.35 and 2,647 is: 3,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.58 : 13,831.35 = 2,647 : x
  2. Step 2: Convert to fraction form
    9,222.58/13,831.35 = 2,647/x
  3. Step 3: Cross multiply
    9,222.58x = 13,831.35 × 2,647
  4. Step 4: Simplify right side
    9,222.58x = 36,611,583.45
  5. Step 5: Solve for x
    x = 36,611,583.45/9,222.58
  6. Step 6: Final answer
    x = 3,969.78

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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.