Home / 5,919.58-8,163.75-3,821.50

Finding the Fourth Proportional to 5,919.58, 8,163.75 and 3,821.50

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Solution

The fourth proportional to 5,919.58, 8,163.75 and 3,821.50 is: 5,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.58 : 8,163.75 = 3,821.50 : x
  2. Step 2: Convert to fraction form
    5,919.58/8,163.75 = 3,821.50/x
  3. Step 3: Cross multiply
    5,919.58x = 8,163.75 × 3,821.50
  4. Step 4: Simplify right side
    5,919.58x = 31,197,770.63
  5. Step 5: Solve for x
    x = 31,197,770.63/5,919.58
  6. Step 6: Final answer
    x = 5,270.27

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1.5x scale

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.