Home / 4,792.05-7,183.80-1,869.68

Finding the Fourth Proportional to 4,792.05, 7,183.80 and 1,869.68

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Solution

The fourth proportional to 4,792.05, 7,183.80 and 1,869.68 is: 2,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.05 : 7,183.80 = 1,869.68 : x
  2. Step 2: Convert to fraction form
    4,792.05/7,183.80 = 1,869.68/x
  3. Step 3: Cross multiply
    4,792.05x = 7,183.80 × 1,869.68
  4. Step 4: Simplify right side
    4,792.05x = 13,431,371.27
  5. Step 5: Solve for x
    x = 13,431,371.27/4,792.05
  6. Step 6: Final answer
    x = 2,802.84

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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.