Home / 4,413.12-6,620.70-1,948.64

Finding the Fourth Proportional to 4,413.12, 6,620.70 and 1,948.64

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Solution

The fourth proportional to 4,413.12, 6,620.70 and 1,948.64 is: 2,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.12 : 6,620.70 = 1,948.64 : x
  2. Step 2: Convert to fraction form
    4,413.12/6,620.70 = 1,948.64/x
  3. Step 3: Cross multiply
    4,413.12x = 6,620.70 × 1,948.64
  4. Step 4: Simplify right side
    4,413.12x = 12,901,360.85
  5. Step 5: Solve for x
    x = 12,901,360.85/4,413.12
  6. Step 6: Final answer
    x = 2,923.41

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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.