Home / 4,164.89-6,247.62-1,391.45

Finding the Fourth Proportional to 4,164.89, 6,247.62 and 1,391.45

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Solution

The fourth proportional to 4,164.89, 6,247.62 and 1,391.45 is: 2,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.89 : 6,247.62 = 1,391.45 : x
  2. Step 2: Convert to fraction form
    4,164.89/6,247.62 = 1,391.45/x
  3. Step 3: Cross multiply
    4,164.89x = 6,247.62 × 1,391.45
  4. Step 4: Simplify right side
    4,164.89x = 8,693,250.85
  5. Step 5: Solve for x
    x = 8,693,250.85/4,164.89
  6. Step 6: Final answer
    x = 2,087.27

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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.