Home / 7,760.69-11,642.87-2,566.56

Finding the Fourth Proportional to 7,760.69, 11,642.87 and 2,566.56

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Solution

The fourth proportional to 7,760.69, 11,642.87 and 2,566.56 is: 3,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.69 : 11,642.87 = 2,566.56 : x
  2. Step 2: Convert to fraction form
    7,760.69/11,642.87 = 2,566.56/x
  3. Step 3: Cross multiply
    7,760.69x = 11,642.87 × 2,566.56
  4. Step 4: Simplify right side
    7,760.69x = 29,882,124.43
  5. Step 5: Solve for x
    x = 29,882,124.43/7,760.69
  6. Step 6: Final answer
    x = 3,850.45

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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.