Home / 5,372.21-7,413.57-2,982.18

Finding the Fourth Proportional to 5,372.21, 7,413.57 and 2,982.18

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Solution

The fourth proportional to 5,372.21, 7,413.57 and 2,982.18 is: 4,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.21 : 7,413.57 = 2,982.18 : x
  2. Step 2: Convert to fraction form
    5,372.21/7,413.57 = 2,982.18/x
  3. Step 3: Cross multiply
    5,372.21x = 7,413.57 × 2,982.18
  4. Step 4: Simplify right side
    5,372.21x = 22,108,585.27
  5. Step 5: Solve for x
    x = 22,108,585.27/5,372.21
  6. Step 6: Final answer
    x = 4,115.36

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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.