Home / 4,321.32-6,469.56-2,469.12

Finding the Fourth Proportional to 4,321.32, 6,469.56 and 2,469.12

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Solution

The fourth proportional to 4,321.32, 6,469.56 and 2,469.12 is: 3,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.32 : 6,469.56 = 2,469.12 : x
  2. Step 2: Convert to fraction form
    4,321.32/6,469.56 = 2,469.12/x
  3. Step 3: Cross multiply
    4,321.32x = 6,469.56 × 2,469.12
  4. Step 4: Simplify right side
    4,321.32x = 15,974,119.99
  5. Step 5: Solve for x
    x = 15,974,119.99/4,321.32
  6. Step 6: Final answer
    x = 3,696.58

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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.