Home / 7,771.07-11,651.38-3,823.22

Finding the Fourth Proportional to 7,771.07, 11,651.38 and 3,823.22

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Solution

The fourth proportional to 7,771.07, 11,651.38 and 3,823.22 is: 5,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.07 : 11,651.38 = 3,823.22 : x
  2. Step 2: Convert to fraction form
    7,771.07/11,651.38 = 3,823.22/x
  3. Step 3: Cross multiply
    7,771.07x = 11,651.38 × 3,823.22
  4. Step 4: Simplify right side
    7,771.07x = 44,545,808.61
  5. Step 5: Solve for x
    x = 44,545,808.61/7,771.07
  6. Step 6: Final answer
    x = 5,732.26

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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.