Home / 7,258.24-10,880.70-2,638

Finding the Fourth Proportional to 7,258.24, 10,880.70 and 2,638

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Solution

The fourth proportional to 7,258.24, 10,880.70 and 2,638 is: 3,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.24 : 10,880.70 = 2,638 : x
  2. Step 2: Convert to fraction form
    7,258.24/10,880.70 = 2,638/x
  3. Step 3: Cross multiply
    7,258.24x = 10,880.70 × 2,638
  4. Step 4: Simplify right side
    7,258.24x = 28,703,286.60
  5. Step 5: Solve for x
    x = 28,703,286.60/7,258.24
  6. Step 6: Final answer
    x = 3,954.58

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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.