Home / 4,122.54-6,185.70-1,783.26

Finding the Fourth Proportional to 4,122.54, 6,185.70 and 1,783.26

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Solution

The fourth proportional to 4,122.54, 6,185.70 and 1,783.26 is: 2,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.54 : 6,185.70 = 1,783.26 : x
  2. Step 2: Convert to fraction form
    4,122.54/6,185.70 = 1,783.26/x
  3. Step 3: Cross multiply
    4,122.54x = 6,185.70 × 1,783.26
  4. Step 4: Simplify right side
    4,122.54x = 11,030,711.38
  5. Step 5: Solve for x
    x = 11,030,711.38/4,122.54
  6. Step 6: Final answer
    x = 2,675.71

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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.