Home / 7,880.54-11,822.39-2,333.75

Finding the Fourth Proportional to 7,880.54, 11,822.39 and 2,333.75

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Solution

The fourth proportional to 7,880.54, 11,822.39 and 2,333.75 is: 3,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.54 : 11,822.39 = 2,333.75 : x
  2. Step 2: Convert to fraction form
    7,880.54/11,822.39 = 2,333.75/x
  3. Step 3: Cross multiply
    7,880.54x = 11,822.39 × 2,333.75
  4. Step 4: Simplify right side
    7,880.54x = 27,590,431.88
  5. Step 5: Solve for x
    x = 27,590,431.88/7,880.54
  6. Step 6: Final answer
    x = 3,501.09

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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.