Home / 6,660.57-9,190.93-3,676.21

Finding the Fourth Proportional to 6,660.57, 9,190.93 and 3,676.21

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Solution

The fourth proportional to 6,660.57, 9,190.93 and 3,676.21 is: 5,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.57 : 9,190.93 = 3,676.21 : x
  2. Step 2: Convert to fraction form
    6,660.57/9,190.93 = 3,676.21/x
  3. Step 3: Cross multiply
    6,660.57x = 9,190.93 × 3,676.21
  4. Step 4: Simplify right side
    6,660.57x = 33,787,773.84
  5. Step 5: Solve for x
    x = 33,787,773.84/6,660.57
  6. Step 6: Final answer
    x = 5,072.81

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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.