Home / 7,410.44-11,120.70-3,950.12

Finding the Fourth Proportional to 7,410.44, 11,120.70 and 3,950.12

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Solution

The fourth proportional to 7,410.44, 11,120.70 and 3,950.12 is: 5,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.44 : 11,120.70 = 3,950.12 : x
  2. Step 2: Convert to fraction form
    7,410.44/11,120.70 = 3,950.12/x
  3. Step 3: Cross multiply
    7,410.44x = 11,120.70 × 3,950.12
  4. Step 4: Simplify right side
    7,410.44x = 43,928,099.48
  5. Step 5: Solve for x
    x = 43,928,099.48/7,410.44
  6. Step 6: Final answer
    x = 5,927.87

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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.