Home / 4,982.08-7,470.57-2,790.22

Finding the Fourth Proportional to 4,982.08, 7,470.57 and 2,790.22

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Solution

The fourth proportional to 4,982.08, 7,470.57 and 2,790.22 is: 4,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.08 : 7,470.57 = 2,790.22 : x
  2. Step 2: Convert to fraction form
    4,982.08/7,470.57 = 2,790.22/x
  3. Step 3: Cross multiply
    4,982.08x = 7,470.57 × 2,790.22
  4. Step 4: Simplify right side
    4,982.08x = 20,844,533.83
  5. Step 5: Solve for x
    x = 20,844,533.83/4,982.08
  6. Step 6: Final answer
    x = 4,183.90

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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.