Home / 7,986.44-11,021.29-4,449.88

Finding the Fourth Proportional to 7,986.44, 11,021.29 and 4,449.88

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Solution

The fourth proportional to 7,986.44, 11,021.29 and 4,449.88 is: 6,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.44 : 11,021.29 = 4,449.88 : x
  2. Step 2: Convert to fraction form
    7,986.44/11,021.29 = 4,449.88/x
  3. Step 3: Cross multiply
    7,986.44x = 11,021.29 × 4,449.88
  4. Step 4: Simplify right side
    7,986.44x = 49,043,417.95
  5. Step 5: Solve for x
    x = 49,043,417.95/7,986.44
  6. Step 6: Final answer
    x = 6,140.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.