Home / 7,413.91-11,120.81-3,028.29

Finding the Fourth Proportional to 7,413.91, 11,120.81 and 3,028.29

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Solution

The fourth proportional to 7,413.91, 11,120.81 and 3,028.29 is: 4,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.91 : 11,120.81 = 3,028.29 : x
  2. Step 2: Convert to fraction form
    7,413.91/11,120.81 = 3,028.29/x
  3. Step 3: Cross multiply
    7,413.91x = 11,120.81 × 3,028.29
  4. Step 4: Simplify right side
    7,413.91x = 33,677,037.71
  5. Step 5: Solve for x
    x = 33,677,037.71/7,413.91
  6. Step 6: Final answer
    x = 4,542.41

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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.