Home / 5,144.46-7,099.34-2,786.60

Finding the Fourth Proportional to 5,144.46, 7,099.34 and 2,786.60

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Solution

The fourth proportional to 5,144.46, 7,099.34 and 2,786.60 is: 3,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.46 : 7,099.34 = 2,786.60 : x
  2. Step 2: Convert to fraction form
    5,144.46/7,099.34 = 2,786.60/x
  3. Step 3: Cross multiply
    5,144.46x = 7,099.34 × 2,786.60
  4. Step 4: Simplify right side
    5,144.46x = 19,783,020.84
  5. Step 5: Solve for x
    x = 19,783,020.84/5,144.46
  6. Step 6: Final answer
    x = 3,845.50

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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.