Home / 7,864.07-11,797.92-2,669.94

Finding the Fourth Proportional to 7,864.07, 11,797.92 and 2,669.94

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Solution

The fourth proportional to 7,864.07, 11,797.92 and 2,669.94 is: 4,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.07 : 11,797.92 = 2,669.94 : x
  2. Step 2: Convert to fraction form
    7,864.07/11,797.92 = 2,669.94/x
  3. Step 3: Cross multiply
    7,864.07x = 11,797.92 × 2,669.94
  4. Step 4: Simplify right side
    7,864.07x = 31,499,738.52
  5. Step 5: Solve for x
    x = 31,499,738.52/7,864.07
  6. Step 6: Final answer
    x = 4,005.53

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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.