Home / 5,355.15-8,030.09-3,163.29

Finding the Fourth Proportional to 5,355.15, 8,030.09 and 3,163.29

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Solution

The fourth proportional to 5,355.15, 8,030.09 and 3,163.29 is: 4,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.15 : 8,030.09 = 3,163.29 : x
  2. Step 2: Convert to fraction form
    5,355.15/8,030.09 = 3,163.29/x
  3. Step 3: Cross multiply
    5,355.15x = 8,030.09 × 3,163.29
  4. Step 4: Simplify right side
    5,355.15x = 25,401,447.43
  5. Step 5: Solve for x
    x = 25,401,447.43/5,355.15
  6. Step 6: Final answer
    x = 4,743.37

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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.