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Finding the Fourth Proportional to 7,599.71, 11,400.60 and 2,668.22

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Solution

The fourth proportional to 7,599.71, 11,400.60 and 2,668.22 is: 4,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.71 : 11,400.60 = 2,668.22 : x
  2. Step 2: Convert to fraction form
    7,599.71/11,400.60 = 2,668.22/x
  3. Step 3: Cross multiply
    7,599.71x = 11,400.60 × 2,668.22
  4. Step 4: Simplify right side
    7,599.71x = 30,419,251.93
  5. Step 5: Solve for x
    x = 30,419,251.93/7,599.71
  6. Step 6: Final answer
    x = 4,002.69

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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.