Home / 7,278.54-10,919.94-2,348.08

Finding the Fourth Proportional to 7,278.54, 10,919.94 and 2,348.08

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Solution

The fourth proportional to 7,278.54, 10,919.94 and 2,348.08 is: 3,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.54 : 10,919.94 = 2,348.08 : x
  2. Step 2: Convert to fraction form
    7,278.54/10,919.94 = 2,348.08/x
  3. Step 3: Cross multiply
    7,278.54x = 10,919.94 × 2,348.08
  4. Step 4: Simplify right side
    7,278.54x = 25,640,892.72
  5. Step 5: Solve for x
    x = 25,640,892.72/7,278.54
  6. Step 6: Final answer
    x = 3,522.81

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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.