Home / 7,768.71-11,651.63-2,573.91

Finding the Fourth Proportional to 7,768.71, 11,651.63 and 2,573.91

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Solution

The fourth proportional to 7,768.71, 11,651.63 and 2,573.91 is: 3,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.71 : 11,651.63 = 2,573.91 : x
  2. Step 2: Convert to fraction form
    7,768.71/11,651.63 = 2,573.91/x
  3. Step 3: Cross multiply
    7,768.71x = 11,651.63 × 2,573.91
  4. Step 4: Simplify right side
    7,768.71x = 29,990,234.10
  5. Step 5: Solve for x
    x = 29,990,234.10/7,768.71
  6. Step 6: Final answer
    x = 3,860.39

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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.