Home / 4,840.75-7,262.34-1,378

Finding the Fourth Proportional to 4,840.75, 7,262.34 and 1,378

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Solution

The fourth proportional to 4,840.75, 7,262.34 and 1,378 is: 2,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.75 : 7,262.34 = 1,378 : x
  2. Step 2: Convert to fraction form
    4,840.75/7,262.34 = 1,378/x
  3. Step 3: Cross multiply
    4,840.75x = 7,262.34 × 1,378
  4. Step 4: Simplify right side
    4,840.75x = 10,007,504.52
  5. Step 5: Solve for x
    x = 10,007,504.52/4,840.75
  6. Step 6: Final answer
    x = 2,067.35

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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.