Home / 5,538.54-7,641.60-3,413.36

Finding the Fourth Proportional to 5,538.54, 7,641.60 and 3,413.36

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Solution

The fourth proportional to 5,538.54, 7,641.60 and 3,413.36 is: 4,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.54 : 7,641.60 = 3,413.36 : x
  2. Step 2: Convert to fraction form
    5,538.54/7,641.60 = 3,413.36/x
  3. Step 3: Cross multiply
    5,538.54x = 7,641.60 × 3,413.36
  4. Step 4: Simplify right side
    5,538.54x = 26,083,531.78
  5. Step 5: Solve for x
    x = 26,083,531.78/5,538.54
  6. Step 6: Final answer
    x = 4,709.46

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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.