Home / 5,855.72-8,080.61-3,203.15

Finding the Fourth Proportional to 5,855.72, 8,080.61 and 3,203.15

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Solution

The fourth proportional to 5,855.72, 8,080.61 and 3,203.15 is: 4,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.72 : 8,080.61 = 3,203.15 : x
  2. Step 2: Convert to fraction form
    5,855.72/8,080.61 = 3,203.15/x
  3. Step 3: Cross multiply
    5,855.72x = 8,080.61 × 3,203.15
  4. Step 4: Simplify right side
    5,855.72x = 25,883,349.50
  5. Step 5: Solve for x
    x = 25,883,349.50/5,855.72
  6. Step 6: Final answer
    x = 4,420.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.