Home / 7,880.73-11,822.49-2,616.05

Finding the Fourth Proportional to 7,880.73, 11,822.49 and 2,616.05

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Solution

The fourth proportional to 7,880.73, 11,822.49 and 2,616.05 is: 3,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.73 : 11,822.49 = 2,616.05 : x
  2. Step 2: Convert to fraction form
    7,880.73/11,822.49 = 2,616.05/x
  3. Step 3: Cross multiply
    7,880.73x = 11,822.49 × 2,616.05
  4. Step 4: Simplify right side
    7,880.73x = 30,928,224.96
  5. Step 5: Solve for x
    x = 30,928,224.96/7,880.73
  6. Step 6: Final answer
    x = 3,924.54

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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.