Home / 5,331.11-7,981.58-2,826.60

Finding the Fourth Proportional to 5,331.11, 7,981.58 and 2,826.60

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Solution

The fourth proportional to 5,331.11, 7,981.58 and 2,826.60 is: 4,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.11 : 7,981.58 = 2,826.60 : x
  2. Step 2: Convert to fraction form
    5,331.11/7,981.58 = 2,826.60/x
  3. Step 3: Cross multiply
    5,331.11x = 7,981.58 × 2,826.60
  4. Step 4: Simplify right side
    5,331.11x = 22,560,734.03
  5. Step 5: Solve for x
    x = 22,560,734.03/5,331.11
  6. Step 6: Final answer
    x = 4,231.90

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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.