Home / 4,990.24-7,475.72-2,792.28

Finding the Fourth Proportional to 4,990.24, 7,475.72 and 2,792.28

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Solution

The fourth proportional to 4,990.24, 7,475.72 and 2,792.28 is: 4,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.24 : 7,475.72 = 2,792.28 : x
  2. Step 2: Convert to fraction form
    4,990.24/7,475.72 = 2,792.28/x
  3. Step 3: Cross multiply
    4,990.24x = 7,475.72 × 2,792.28
  4. Step 4: Simplify right side
    4,990.24x = 20,874,303.44
  5. Step 5: Solve for x
    x = 20,874,303.44/4,990.24
  6. Step 6: Final answer
    x = 4,183.03

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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.