Home / 5,168.13-7,739.90-2,824.64

Finding the Fourth Proportional to 5,168.13, 7,739.90 and 2,824.64

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Solution

The fourth proportional to 5,168.13, 7,739.90 and 2,824.64 is: 4,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.13 : 7,739.90 = 2,824.64 : x
  2. Step 2: Convert to fraction form
    5,168.13/7,739.90 = 2,824.64/x
  3. Step 3: Cross multiply
    5,168.13x = 7,739.90 × 2,824.64
  4. Step 4: Simplify right side
    5,168.13x = 21,862,378.31
  5. Step 5: Solve for x
    x = 21,862,378.31/5,168.13
  6. Step 6: Final answer
    x = 4,230.23

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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.