Home / 5,399.19-8,087.04-2,620.00

Finding the Fourth Proportional to 5,399.19, 8,087.04 and 2,620.00

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Solution

The fourth proportional to 5,399.19, 8,087.04 and 2,620.00 is: 3,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.19 : 8,087.04 = 2,620.00 : x
  2. Step 2: Convert to fraction form
    5,399.19/8,087.04 = 2,620.00/x
  3. Step 3: Cross multiply
    5,399.19x = 8,087.04 × 2,620.00
  4. Step 4: Simplify right side
    5,399.19x = 21,187,991.26
  5. Step 5: Solve for x
    x = 21,187,991.26/5,399.19
  6. Step 6: Final answer
    x = 3,924.29

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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.