Home / 4,945.14-7,414.56-2,478.60

Finding the Fourth Proportional to 4,945.14, 7,414.56 and 2,478.60

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Solution

The fourth proportional to 4,945.14, 7,414.56 and 2,478.60 is: 3,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.14 : 7,414.56 = 2,478.60 : x
  2. Step 2: Convert to fraction form
    4,945.14/7,414.56 = 2,478.60/x
  3. Step 3: Cross multiply
    4,945.14x = 7,414.56 × 2,478.60
  4. Step 4: Simplify right side
    4,945.14x = 18,377,728.42
  5. Step 5: Solve for x
    x = 18,377,728.42/4,945.14
  6. Step 6: Final answer
    x = 3,716.32

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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.