Home / 7,380.78-10,185.54-4,396.74

Finding the Fourth Proportional to 7,380.78, 10,185.54 and 4,396.74

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Solution

The fourth proportional to 7,380.78, 10,185.54 and 4,396.74 is: 6,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.78 : 10,185.54 = 4,396.74 : x
  2. Step 2: Convert to fraction form
    7,380.78/10,185.54 = 4,396.74/x
  3. Step 3: Cross multiply
    7,380.78x = 10,185.54 × 4,396.74
  4. Step 4: Simplify right side
    7,380.78x = 44,783,171.14
  5. Step 5: Solve for x
    x = 44,783,171.14/7,380.78
  6. Step 6: Final answer
    x = 6,067.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.