Home / 7,190.56-10,786.90-3,682.55

Finding the Fourth Proportional to 7,190.56, 10,786.90 and 3,682.55

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Solution

The fourth proportional to 7,190.56, 10,786.90 and 3,682.55 is: 5,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.56 : 10,786.90 = 3,682.55 : x
  2. Step 2: Convert to fraction form
    7,190.56/10,786.90 = 3,682.55/x
  3. Step 3: Cross multiply
    7,190.56x = 10,786.90 × 3,682.55
  4. Step 4: Simplify right side
    7,190.56x = 39,723,298.60
  5. Step 5: Solve for x
    x = 39,723,298.60/7,190.56
  6. Step 6: Final answer
    x = 5,524.37

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1.5x scale

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.