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Finding the Fourth Proportional to 8,668.51, 13,004.69 and 3,404.03

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Solution

The fourth proportional to 8,668.51, 13,004.69 and 3,404.03 is: 5,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.51 : 13,004.69 = 3,404.03 : x
  2. Step 2: Convert to fraction form
    8,668.51/13,004.69 = 3,404.03/x
  3. Step 3: Cross multiply
    8,668.51x = 13,004.69 × 3,404.03
  4. Step 4: Simplify right side
    8,668.51x = 44,268,272.86
  5. Step 5: Solve for x
    x = 44,268,272.86/8,668.51
  6. Step 6: Final answer
    x = 5,106.79

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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.