Home / 6,639.30-9,960.56-2,022.30

Finding the Fourth Proportional to 6,639.30, 9,960.56 and 2,022.30

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Solution

The fourth proportional to 6,639.30, 9,960.56 and 2,022.30 is: 3,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.30 : 9,960.56 = 2,022.30 : x
  2. Step 2: Convert to fraction form
    6,639.30/9,960.56 = 2,022.30/x
  3. Step 3: Cross multiply
    6,639.30x = 9,960.56 × 2,022.30
  4. Step 4: Simplify right side
    6,639.30x = 20,143,240.49
  5. Step 5: Solve for x
    x = 20,143,240.49/6,639.30
  6. Step 6: Final answer
    x = 3,033.94

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1.5x scale

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.