Home / 7,981.84-11,974.48-2,435.03

Finding the Fourth Proportional to 7,981.84, 11,974.48 and 2,435.03

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Solution

The fourth proportional to 7,981.84, 11,974.48 and 2,435.03 is: 3,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.84 : 11,974.48 = 2,435.03 : x
  2. Step 2: Convert to fraction form
    7,981.84/11,974.48 = 2,435.03/x
  3. Step 3: Cross multiply
    7,981.84x = 11,974.48 × 2,435.03
  4. Step 4: Simplify right side
    7,981.84x = 29,158,218.03
  5. Step 5: Solve for x
    x = 29,158,218.03/7,981.84
  6. Step 6: Final answer
    x = 3,653.07

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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.