Home / 7,880.05-11,823.71-3,203.29

Finding the Fourth Proportional to 7,880.05, 11,823.71 and 3,203.29

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Solution

The fourth proportional to 7,880.05, 11,823.71 and 3,203.29 is: 4,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.05 : 11,823.71 = 3,203.29 : x
  2. Step 2: Convert to fraction form
    7,880.05/11,823.71 = 3,203.29/x
  3. Step 3: Cross multiply
    7,880.05x = 11,823.71 × 3,203.29
  4. Step 4: Simplify right side
    7,880.05x = 37,874,772.01
  5. Step 5: Solve for x
    x = 37,874,772.01/7,880.05
  6. Step 6: Final answer
    x = 4,806.41

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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.