Home / 7,669.17-11,503.67-2,122.47

Finding the Fourth Proportional to 7,669.17, 11,503.67 and 2,122.47

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Solution

The fourth proportional to 7,669.17, 11,503.67 and 2,122.47 is: 3,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.17 : 11,503.67 = 2,122.47 : x
  2. Step 2: Convert to fraction form
    7,669.17/11,503.67 = 2,122.47/x
  3. Step 3: Cross multiply
    7,669.17x = 11,503.67 × 2,122.47
  4. Step 4: Simplify right side
    7,669.17x = 24,416,183.85
  5. Step 5: Solve for x
    x = 24,416,183.85/7,669.17
  6. Step 6: Final answer
    x = 3,183.68

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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.