Home / 7,986.33-11,021.14-4,449.66

Finding the Fourth Proportional to 7,986.33, 11,021.14 and 4,449.66

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Solution

The fourth proportional to 7,986.33, 11,021.14 and 4,449.66 is: 6,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.33 : 11,021.14 = 4,449.66 : x
  2. Step 2: Convert to fraction form
    7,986.33/11,021.14 = 4,449.66/x
  3. Step 3: Cross multiply
    7,986.33x = 11,021.14 × 4,449.66
  4. Step 4: Simplify right side
    7,986.33x = 49,040,325.81
  5. Step 5: Solve for x
    x = 49,040,325.81/7,986.33
  6. Step 6: Final answer
    x = 6,140.53

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1.5x scale

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.