Home / 4,914.91-6,784.81-3,236.39

Finding the Fourth Proportional to 4,914.91, 6,784.81 and 3,236.39

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Solution

The fourth proportional to 4,914.91, 6,784.81 and 3,236.39 is: 4,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.91 : 6,784.81 = 3,236.39 : x
  2. Step 2: Convert to fraction form
    4,914.91/6,784.81 = 3,236.39/x
  3. Step 3: Cross multiply
    4,914.91x = 6,784.81 × 3,236.39
  4. Step 4: Simplify right side
    4,914.91x = 21,958,292.87
  5. Step 5: Solve for x
    x = 21,958,292.87/4,914.91
  6. Step 6: Final answer
    x = 4,467.69

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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.