Home / 8,629.64-12,944.46-3,696.08

Finding the Fourth Proportional to 8,629.64, 12,944.46 and 3,696.08

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Solution

The fourth proportional to 8,629.64, 12,944.46 and 3,696.08 is: 5,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.64 : 12,944.46 = 3,696.08 : x
  2. Step 2: Convert to fraction form
    8,629.64/12,944.46 = 3,696.08/x
  3. Step 3: Cross multiply
    8,629.64x = 12,944.46 × 3,696.08
  4. Step 4: Simplify right side
    8,629.64x = 47,843,760.88
  5. Step 5: Solve for x
    x = 47,843,760.88/8,629.64
  6. Step 6: Final answer
    x = 5,544.12

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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.