Home / 8,668.36-13,004.22-3,122.44

Finding the Fourth Proportional to 8,668.36, 13,004.22 and 3,122.44

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Solution

The fourth proportional to 8,668.36, 13,004.22 and 3,122.44 is: 4,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.36 : 13,004.22 = 3,122.44 : x
  2. Step 2: Convert to fraction form
    8,668.36/13,004.22 = 3,122.44/x
  3. Step 3: Cross multiply
    8,668.36x = 13,004.22 × 3,122.44
  4. Step 4: Simplify right side
    8,668.36x = 40,604,896.70
  5. Step 5: Solve for x
    x = 40,604,896.70/8,668.36
  6. Step 6: Final answer
    x = 4,684.27

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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.