Home / 6,443.43-9,668.79-2,745.27

Finding the Fourth Proportional to 6,443.43, 9,668.79 and 2,745.27

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Solution

The fourth proportional to 6,443.43, 9,668.79 and 2,745.27 is: 4,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.43 : 9,668.79 = 2,745.27 : x
  2. Step 2: Convert to fraction form
    6,443.43/9,668.79 = 2,745.27/x
  3. Step 3: Cross multiply
    6,443.43x = 9,668.79 × 2,745.27
  4. Step 4: Simplify right side
    6,443.43x = 26,543,439.12
  5. Step 5: Solve for x
    x = 26,543,439.12/6,443.43
  6. Step 6: Final answer
    x = 4,119.46

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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.