Home / 7,629.04-11,449.42-3,413.60

Finding the Fourth Proportional to 7,629.04, 11,449.42 and 3,413.60

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Solution

The fourth proportional to 7,629.04, 11,449.42 and 3,413.60 is: 5,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.04 : 11,449.42 = 3,413.60 : x
  2. Step 2: Convert to fraction form
    7,629.04/11,449.42 = 3,413.60/x
  3. Step 3: Cross multiply
    7,629.04x = 11,449.42 × 3,413.60
  4. Step 4: Simplify right side
    7,629.04x = 39,083,685.06
  5. Step 5: Solve for x
    x = 39,083,685.06/7,629.04
  6. Step 6: Final answer
    x = 5,123.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.