Home / 4,550.36-6,278.36-3,489.21

Finding the Fourth Proportional to 4,550.36, 6,278.36 and 3,489.21

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Solution

The fourth proportional to 4,550.36, 6,278.36 and 3,489.21 is: 4,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.36 : 6,278.36 = 3,489.21 : x
  2. Step 2: Convert to fraction form
    4,550.36/6,278.36 = 3,489.21/x
  3. Step 3: Cross multiply
    4,550.36x = 6,278.36 × 3,489.21
  4. Step 4: Simplify right side
    4,550.36x = 21,906,499.05
  5. Step 5: Solve for x
    x = 21,906,499.05/4,550.36
  6. Step 6: Final answer
    x = 4,814.24

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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.