Home / 4,780.16-7,171.84-2,183.04

Finding the Fourth Proportional to 4,780.16, 7,171.84 and 2,183.04

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Solution

The fourth proportional to 4,780.16, 7,171.84 and 2,183.04 is: 3,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.16 : 7,171.84 = 2,183.04 : x
  2. Step 2: Convert to fraction form
    4,780.16/7,171.84 = 2,183.04/x
  3. Step 3: Cross multiply
    4,780.16x = 7,171.84 × 2,183.04
  4. Step 4: Simplify right side
    4,780.16x = 15,656,413.59
  5. Step 5: Solve for x
    x = 15,656,413.59/4,780.16
  6. Step 6: Final answer
    x = 3,275.29

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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.