Home / 7,922.80-11,886.08-2,728.52

Finding the Fourth Proportional to 7,922.80, 11,886.08 and 2,728.52

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Solution

The fourth proportional to 7,922.80, 11,886.08 and 2,728.52 is: 4,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.80 : 11,886.08 = 2,728.52 : x
  2. Step 2: Convert to fraction form
    7,922.80/11,886.08 = 2,728.52/x
  3. Step 3: Cross multiply
    7,922.80x = 11,886.08 × 2,728.52
  4. Step 4: Simplify right side
    7,922.80x = 32,431,407.00
  5. Step 5: Solve for x
    x = 32,431,407.00/7,922.80
  6. Step 6: Final answer
    x = 4,093.43

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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.