Home / 5,815.90-8,025.95-3,163.35

Finding the Fourth Proportional to 5,815.90, 8,025.95 and 3,163.35

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Solution

The fourth proportional to 5,815.90, 8,025.95 and 3,163.35 is: 4,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.90 : 8,025.95 = 3,163.35 : x
  2. Step 2: Convert to fraction form
    5,815.90/8,025.95 = 3,163.35/x
  3. Step 3: Cross multiply
    5,815.90x = 8,025.95 × 3,163.35
  4. Step 4: Simplify right side
    5,815.90x = 25,388,926.94
  5. Step 5: Solve for x
    x = 25,388,926.94/5,815.90
  6. Step 6: Final answer
    x = 4,365.43

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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.