Home / 5,247.97-7,872.06-1,960.41

Finding the Fourth Proportional to 5,247.97, 7,872.06 and 1,960.41

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Solution

The fourth proportional to 5,247.97, 7,872.06 and 1,960.41 is: 2,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.97 : 7,872.06 = 1,960.41 : x
  2. Step 2: Convert to fraction form
    5,247.97/7,872.06 = 1,960.41/x
  3. Step 3: Cross multiply
    5,247.97x = 7,872.06 × 1,960.41
  4. Step 4: Simplify right side
    5,247.97x = 15,432,465.14
  5. Step 5: Solve for x
    x = 15,432,465.14/5,247.97
  6. Step 6: Final answer
    x = 2,940.65

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1.5x scale

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.