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Finding the Fourth Proportional to 7,172.54, 10,759.11 and 2,242.22

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Solution

The fourth proportional to 7,172.54, 10,759.11 and 2,242.22 is: 3,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.54 : 10,759.11 = 2,242.22 : x
  2. Step 2: Convert to fraction form
    7,172.54/10,759.11 = 2,242.22/x
  3. Step 3: Cross multiply
    7,172.54x = 10,759.11 × 2,242.22
  4. Step 4: Simplify right side
    7,172.54x = 24,124,291.62
  5. Step 5: Solve for x
    x = 24,124,291.62/7,172.54
  6. Step 6: Final answer
    x = 3,363.42

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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.