Home / 6,930.45-9,563.94-3,786.64

Finding the Fourth Proportional to 6,930.45, 9,563.94 and 3,786.64

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Solution

The fourth proportional to 6,930.45, 9,563.94 and 3,786.64 is: 5,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.45 : 9,563.94 = 3,786.64 : x
  2. Step 2: Convert to fraction form
    6,930.45/9,563.94 = 3,786.64/x
  3. Step 3: Cross multiply
    6,930.45x = 9,563.94 × 3,786.64
  4. Step 4: Simplify right side
    6,930.45x = 36,215,173.85
  5. Step 5: Solve for x
    x = 36,215,173.85/6,930.45
  6. Step 6: Final answer
    x = 5,225.52

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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.