Home / 4,879.98-7,319.73-3,912.27

Finding the Fourth Proportional to 4,879.98, 7,319.73 and 3,912.27

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Solution

The fourth proportional to 4,879.98, 7,319.73 and 3,912.27 is: 5,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.98 : 7,319.73 = 3,912.27 : x
  2. Step 2: Convert to fraction form
    4,879.98/7,319.73 = 3,912.27/x
  3. Step 3: Cross multiply
    4,879.98x = 7,319.73 × 3,912.27
  4. Step 4: Simplify right side
    4,879.98x = 28,636,760.09
  5. Step 5: Solve for x
    x = 28,636,760.09/4,879.98
  6. Step 6: Final answer
    x = 5,868.21

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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.