Home / 7,735.57-10,675.09-4,198.78

Finding the Fourth Proportional to 7,735.57, 10,675.09 and 4,198.78

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Solution

The fourth proportional to 7,735.57, 10,675.09 and 4,198.78 is: 5,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.57 : 10,675.09 = 4,198.78 : x
  2. Step 2: Convert to fraction form
    7,735.57/10,675.09 = 4,198.78/x
  3. Step 3: Cross multiply
    7,735.57x = 10,675.09 × 4,198.78
  4. Step 4: Simplify right side
    7,735.57x = 44,822,301.01
  5. Step 5: Solve for x
    x = 44,822,301.01/7,735.57
  6. Step 6: Final answer
    x = 5,794.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.