Home / 7,413.58-11,123.66-3,902.73

Finding the Fourth Proportional to 7,413.58, 11,123.66 and 3,902.73

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Solution

The fourth proportional to 7,413.58, 11,123.66 and 3,902.73 is: 5,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.58 : 11,123.66 = 3,902.73 : x
  2. Step 2: Convert to fraction form
    7,413.58/11,123.66 = 3,902.73/x
  3. Step 3: Cross multiply
    7,413.58x = 11,123.66 × 3,902.73
  4. Step 4: Simplify right side
    7,413.58x = 43,412,641.59
  5. Step 5: Solve for x
    x = 43,412,641.59/7,413.58
  6. Step 6: Final answer
    x = 5,855.83

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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.