Home / 8,163.30-12,237.54-2,965.50

Finding the Fourth Proportional to 8,163.30, 12,237.54 and 2,965.50

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Solution

The fourth proportional to 8,163.30, 12,237.54 and 2,965.50 is: 4,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.30 : 12,237.54 = 2,965.50 : x
  2. Step 2: Convert to fraction form
    8,163.30/12,237.54 = 2,965.50/x
  3. Step 3: Cross multiply
    8,163.30x = 12,237.54 × 2,965.50
  4. Step 4: Simplify right side
    8,163.30x = 36,290,424.87
  5. Step 5: Solve for x
    x = 36,290,424.87/8,163.30
  6. Step 6: Final answer
    x = 4,445.56

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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.