Home / 5,280.87-7,922.64-1,583.09

Finding the Fourth Proportional to 5,280.87, 7,922.64 and 1,583.09

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Solution

The fourth proportional to 5,280.87, 7,922.64 and 1,583.09 is: 2,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.87 : 7,922.64 = 1,583.09 : x
  2. Step 2: Convert to fraction form
    5,280.87/7,922.64 = 1,583.09/x
  3. Step 3: Cross multiply
    5,280.87x = 7,922.64 × 1,583.09
  4. Step 4: Simplify right side
    5,280.87x = 12,542,212.54
  5. Step 5: Solve for x
    x = 12,542,212.54/5,280.87
  6. Step 6: Final answer
    x = 2,375.03

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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.