Home / 7,981.44-11,974.08-3,364.80

Finding the Fourth Proportional to 7,981.44, 11,974.08 and 3,364.80

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Solution

The fourth proportional to 7,981.44, 11,974.08 and 3,364.80 is: 5,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.44 : 11,974.08 = 3,364.80 : x
  2. Step 2: Convert to fraction form
    7,981.44/11,974.08 = 3,364.80/x
  3. Step 3: Cross multiply
    7,981.44x = 11,974.08 × 3,364.80
  4. Step 4: Simplify right side
    7,981.44x = 40,290,384.38
  5. Step 5: Solve for x
    x = 40,290,384.38/7,981.44
  6. Step 6: Final answer
    x = 5,048.01

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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.