Home / 7,674.72-11,519.98-4,759.94

Finding the Fourth Proportional to 7,674.72, 11,519.98 and 4,759.94

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Solution

The fourth proportional to 7,674.72, 11,519.98 and 4,759.94 is: 7,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.72 : 11,519.98 = 4,759.94 : x
  2. Step 2: Convert to fraction form
    7,674.72/11,519.98 = 4,759.94/x
  3. Step 3: Cross multiply
    7,674.72x = 11,519.98 × 4,759.94
  4. Step 4: Simplify right side
    7,674.72x = 54,834,413.60
  5. Step 5: Solve for x
    x = 54,834,413.60/7,674.72
  6. Step 6: Final answer
    x = 7,144.81

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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.