Home / 7,756.89-11,628.45-2,825.61

Finding the Fourth Proportional to 7,756.89, 11,628.45 and 2,825.61

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Solution

The fourth proportional to 7,756.89, 11,628.45 and 2,825.61 is: 4,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.89 : 11,628.45 = 2,825.61 : x
  2. Step 2: Convert to fraction form
    7,756.89/11,628.45 = 2,825.61/x
  3. Step 3: Cross multiply
    7,756.89x = 11,628.45 × 2,825.61
  4. Step 4: Simplify right side
    7,756.89x = 32,857,464.60
  5. Step 5: Solve for x
    x = 32,857,464.60/7,756.89
  6. Step 6: Final answer
    x = 4,235.91

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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.