Home / 5,199.83-7,804.38-2,428.03

Finding the Fourth Proportional to 5,199.83, 7,804.38 and 2,428.03

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Solution

The fourth proportional to 5,199.83, 7,804.38 and 2,428.03 is: 3,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.83 : 7,804.38 = 2,428.03 : x
  2. Step 2: Convert to fraction form
    5,199.83/7,804.38 = 2,428.03/x
  3. Step 3: Cross multiply
    5,199.83x = 7,804.38 × 2,428.03
  4. Step 4: Simplify right side
    5,199.83x = 18,949,289.10
  5. Step 5: Solve for x
    x = 18,949,289.10/5,199.83
  6. Step 6: Final answer
    x = 3,644.21

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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.