Home / 4,819.21-7,229.07-1,356.73

Finding the Fourth Proportional to 4,819.21, 7,229.07 and 1,356.73

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Solution

The fourth proportional to 4,819.21, 7,229.07 and 1,356.73 is: 2,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.21 : 7,229.07 = 1,356.73 : x
  2. Step 2: Convert to fraction form
    4,819.21/7,229.07 = 1,356.73/x
  3. Step 3: Cross multiply
    4,819.21x = 7,229.07 × 1,356.73
  4. Step 4: Simplify right side
    4,819.21x = 9,807,889.36
  5. Step 5: Solve for x
    x = 9,807,889.36/4,819.21
  6. Step 6: Final answer
    x = 2,035.17

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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.