Home / 5,149.73-7,106.33-2,912.08

Finding the Fourth Proportional to 5,149.73, 7,106.33 and 2,912.08

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Solution

The fourth proportional to 5,149.73, 7,106.33 and 2,912.08 is: 4,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.73 : 7,106.33 = 2,912.08 : x
  2. Step 2: Convert to fraction form
    5,149.73/7,106.33 = 2,912.08/x
  3. Step 3: Cross multiply
    5,149.73x = 7,106.33 × 2,912.08
  4. Step 4: Simplify right side
    5,149.73x = 20,694,190.98
  5. Step 5: Solve for x
    x = 20,694,190.98/5,149.73
  6. Step 6: Final answer
    x = 4,018.50

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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.