Home / 4,505.44-6,219.84-3,105.76

Finding the Fourth Proportional to 4,505.44, 6,219.84 and 3,105.76

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Solution

The fourth proportional to 4,505.44, 6,219.84 and 3,105.76 is: 4,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.44 : 6,219.84 = 3,105.76 : x
  2. Step 2: Convert to fraction form
    4,505.44/6,219.84 = 3,105.76/x
  3. Step 3: Cross multiply
    4,505.44x = 6,219.84 × 3,105.76
  4. Step 4: Simplify right side
    4,505.44x = 19,317,330.28
  5. Step 5: Solve for x
    x = 19,317,330.28/4,505.44
  6. Step 6: Final answer
    x = 4,287.56

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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.