Home / 6,660.20-9,190.42-3,675.84

Finding the Fourth Proportional to 6,660.20, 9,190.42 and 3,675.84

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Solution

The fourth proportional to 6,660.20, 9,190.42 and 3,675.84 is: 5,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.20 : 9,190.42 = 3,675.84 : x
  2. Step 2: Convert to fraction form
    6,660.20/9,190.42 = 3,675.84/x
  3. Step 3: Cross multiply
    6,660.20x = 9,190.42 × 3,675.84
  4. Step 4: Simplify right side
    6,660.20x = 33,782,554.23
  5. Step 5: Solve for x
    x = 33,782,554.23/6,660.20
  6. Step 6: Final answer
    x = 5,072.30

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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.