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Finding the Fourth Proportional to 4,615.62, 6,916.11 and 2,422.14

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Solution

The fourth proportional to 4,615.62, 6,916.11 and 2,422.14 is: 3,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.62 : 6,916.11 = 2,422.14 : x
  2. Step 2: Convert to fraction form
    4,615.62/6,916.11 = 2,422.14/x
  3. Step 3: Cross multiply
    4,615.62x = 6,916.11 × 2,422.14
  4. Step 4: Simplify right side
    4,615.62x = 16,751,786.68
  5. Step 5: Solve for x
    x = 16,751,786.68/4,615.62
  6. Step 6: Final answer
    x = 3,629.37

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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.