Home / 7,981.58-11,969.49-3,364.94

Finding the Fourth Proportional to 7,981.58, 11,969.49 and 3,364.94

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Solution

The fourth proportional to 7,981.58, 11,969.49 and 3,364.94 is: 5,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.58 : 11,969.49 = 3,364.94 : x
  2. Step 2: Convert to fraction form
    7,981.58/11,969.49 = 3,364.94/x
  3. Step 3: Cross multiply
    7,981.58x = 11,969.49 × 3,364.94
  4. Step 4: Simplify right side
    7,981.58x = 40,276,615.68
  5. Step 5: Solve for x
    x = 40,276,615.68/7,981.58
  6. Step 6: Final answer
    x = 5,046.20

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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.