Home / 7,413.58-11,120.35-2,219.46

Finding the Fourth Proportional to 7,413.58, 11,120.35 and 2,219.46

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Solution

The fourth proportional to 7,413.58, 11,120.35 and 2,219.46 is: 3,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.58 : 11,120.35 = 2,219.46 : x
  2. Step 2: Convert to fraction form
    7,413.58/11,120.35 = 2,219.46/x
  3. Step 3: Cross multiply
    7,413.58x = 11,120.35 × 2,219.46
  4. Step 4: Simplify right side
    7,413.58x = 24,681,172.01
  5. Step 5: Solve for x
    x = 24,681,172.01/7,413.58
  6. Step 6: Final answer
    x = 3,329.18

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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.