Home / 7,923.94-11,886.45-2,992.66

Finding the Fourth Proportional to 7,923.94, 11,886.45 and 2,992.66

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Solution

The fourth proportional to 7,923.94, 11,886.45 and 2,992.66 is: 4,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.94 : 11,886.45 = 2,992.66 : x
  2. Step 2: Convert to fraction form
    7,923.94/11,886.45 = 2,992.66/x
  3. Step 3: Cross multiply
    7,923.94x = 11,886.45 × 2,992.66
  4. Step 4: Simplify right side
    7,923.94x = 35,572,103.46
  5. Step 5: Solve for x
    x = 35,572,103.46/7,923.94
  6. Step 6: Final answer
    x = 4,489.19

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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.