Home / 6,639.36-9,960.52-2,022.72

Finding the Fourth Proportional to 6,639.36, 9,960.52 and 2,022.72

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Solution

The fourth proportional to 6,639.36, 9,960.52 and 2,022.72 is: 3,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.36 : 9,960.52 = 2,022.72 : x
  2. Step 2: Convert to fraction form
    6,639.36/9,960.52 = 2,022.72/x
  3. Step 3: Cross multiply
    6,639.36x = 9,960.52 × 2,022.72
  4. Step 4: Simplify right side
    6,639.36x = 20,147,343.01
  5. Step 5: Solve for x
    x = 20,147,343.01/6,639.36
  6. Step 6: Final answer
    x = 3,034.53

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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.