Home / 5,372.12-7,413.48-3,014.21

Finding the Fourth Proportional to 5,372.12, 7,413.48 and 3,014.21

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Solution

The fourth proportional to 5,372.12, 7,413.48 and 3,014.21 is: 4,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.12 : 7,413.48 = 3,014.21 : x
  2. Step 2: Convert to fraction form
    5,372.12/7,413.48 = 3,014.21/x
  3. Step 3: Cross multiply
    5,372.12x = 7,413.48 × 3,014.21
  4. Step 4: Simplify right side
    5,372.12x = 22,345,785.55
  5. Step 5: Solve for x
    x = 22,345,785.55/5,372.12
  6. Step 6: Final answer
    x = 4,159.58

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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.