Home / 7,179.62-10,762.94-2,561.54

Finding the Fourth Proportional to 7,179.62, 10,762.94 and 2,561.54

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Solution

The fourth proportional to 7,179.62, 10,762.94 and 2,561.54 is: 3,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.62 : 10,762.94 = 2,561.54 : x
  2. Step 2: Convert to fraction form
    7,179.62/10,762.94 = 2,561.54/x
  3. Step 3: Cross multiply
    7,179.62x = 10,762.94 × 2,561.54
  4. Step 4: Simplify right side
    7,179.62x = 27,569,634.71
  5. Step 5: Solve for x
    x = 27,569,634.71/7,179.62
  6. Step 6: Final answer
    x = 3,839.99

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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.