Home / 4,375.77-6,556.23-2,640.75

Finding the Fourth Proportional to 4,375.77, 6,556.23 and 2,640.75

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Solution

The fourth proportional to 4,375.77, 6,556.23 and 2,640.75 is: 3,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.77 : 6,556.23 = 2,640.75 : x
  2. Step 2: Convert to fraction form
    4,375.77/6,556.23 = 2,640.75/x
  3. Step 3: Cross multiply
    4,375.77x = 6,556.23 × 2,640.75
  4. Step 4: Simplify right side
    4,375.77x = 17,313,364.37
  5. Step 5: Solve for x
    x = 17,313,364.37/4,375.77
  6. Step 6: Final answer
    x = 3,956.64

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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.