Home / 7,974.22-11,961.32-2,355.84

Finding the Fourth Proportional to 7,974.22, 11,961.32 and 2,355.84

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Solution

The fourth proportional to 7,974.22, 11,961.32 and 2,355.84 is: 3,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.22 : 11,961.32 = 2,355.84 : x
  2. Step 2: Convert to fraction form
    7,974.22/11,961.32 = 2,355.84/x
  3. Step 3: Cross multiply
    7,974.22x = 11,961.32 × 2,355.84
  4. Step 4: Simplify right side
    7,974.22x = 28,178,905.59
  5. Step 5: Solve for x
    x = 28,178,905.59/7,974.22
  6. Step 6: Final answer
    x = 3,533.75

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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.