Home / 7,403.88-11,091.16-3,888.61

Finding the Fourth Proportional to 7,403.88, 11,091.16 and 3,888.61

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Solution

The fourth proportional to 7,403.88, 11,091.16 and 3,888.61 is: 5,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.88 : 11,091.16 = 3,888.61 : x
  2. Step 2: Convert to fraction form
    7,403.88/11,091.16 = 3,888.61/x
  3. Step 3: Cross multiply
    7,403.88x = 11,091.16 × 3,888.61
  4. Step 4: Simplify right side
    7,403.88x = 43,129,195.69
  5. Step 5: Solve for x
    x = 43,129,195.69/7,403.88
  6. Step 6: Final answer
    x = 5,825.22

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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.