Home / 7,986.39-11,983.31-4,093.53

Finding the Fourth Proportional to 7,986.39, 11,983.31 and 4,093.53

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Solution

The fourth proportional to 7,986.39, 11,983.31 and 4,093.53 is: 6,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.39 : 11,983.31 = 4,093.53 : x
  2. Step 2: Convert to fraction form
    7,986.39/11,983.31 = 4,093.53/x
  3. Step 3: Cross multiply
    7,986.39x = 11,983.31 × 4,093.53
  4. Step 4: Simplify right side
    7,986.39x = 49,054,018.52
  5. Step 5: Solve for x
    x = 49,054,018.52/7,986.39
  6. Step 6: Final answer
    x = 6,142.20

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1.5x scale

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.