Home / 7,844.54-11,768.26-2,579.85

Finding the Fourth Proportional to 7,844.54, 11,768.26 and 2,579.85

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Solution

The fourth proportional to 7,844.54, 11,768.26 and 2,579.85 is: 3,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.54 : 11,768.26 = 2,579.85 : x
  2. Step 2: Convert to fraction form
    7,844.54/11,768.26 = 2,579.85/x
  3. Step 3: Cross multiply
    7,844.54x = 11,768.26 × 2,579.85
  4. Step 4: Simplify right side
    7,844.54x = 30,360,339.11
  5. Step 5: Solve for x
    x = 30,360,339.11/7,844.54
  6. Step 6: Final answer
    x = 3,870.25

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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.