Home / 5,372.67-7,413.62-3,135.09

Finding the Fourth Proportional to 5,372.67, 7,413.62 and 3,135.09

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Solution

The fourth proportional to 5,372.67, 7,413.62 and 3,135.09 is: 4,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.67 : 7,413.62 = 3,135.09 : x
  2. Step 2: Convert to fraction form
    5,372.67/7,413.62 = 3,135.09/x
  3. Step 3: Cross multiply
    5,372.67x = 7,413.62 × 3,135.09
  4. Step 4: Simplify right side
    5,372.67x = 23,242,313.18
  5. Step 5: Solve for x
    x = 23,242,313.18/5,372.67
  6. Step 6: Final answer
    x = 4,326.03

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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.