Home / 5,413.32-7,465.44-3,420.42

Finding the Fourth Proportional to 5,413.32, 7,465.44 and 3,420.42

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Solution

The fourth proportional to 5,413.32, 7,465.44 and 3,420.42 is: 4,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.32 : 7,465.44 = 3,420.42 : x
  2. Step 2: Convert to fraction form
    5,413.32/7,465.44 = 3,420.42/x
  3. Step 3: Cross multiply
    5,413.32x = 7,465.44 × 3,420.42
  4. Step 4: Simplify right side
    5,413.32x = 25,534,940.28
  5. Step 5: Solve for x
    x = 25,534,940.28/5,413.32
  6. Step 6: Final answer
    x = 4,717.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.