Home / 4,678.94-6,456.80-3,083.64

Finding the Fourth Proportional to 4,678.94, 6,456.80 and 3,083.64

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Solution

The fourth proportional to 4,678.94, 6,456.80 and 3,083.64 is: 4,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.94 : 6,456.80 = 3,083.64 : x
  2. Step 2: Convert to fraction form
    4,678.94/6,456.80 = 3,083.64/x
  3. Step 3: Cross multiply
    4,678.94x = 6,456.80 × 3,083.64
  4. Step 4: Simplify right side
    4,678.94x = 19,910,431.33
  5. Step 5: Solve for x
    x = 19,910,431.33/4,678.94
  6. Step 6: Final answer
    x = 4,255.33

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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.