Home / 4,164.51-6,247.23-1,391.37

Finding the Fourth Proportional to 4,164.51, 6,247.23 and 1,391.37

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Solution

The fourth proportional to 4,164.51, 6,247.23 and 1,391.37 is: 2,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.51 : 6,247.23 = 1,391.37 : x
  2. Step 2: Convert to fraction form
    4,164.51/6,247.23 = 1,391.37/x
  3. Step 3: Cross multiply
    4,164.51x = 6,247.23 × 1,391.37
  4. Step 4: Simplify right side
    4,164.51x = 8,692,208.41
  5. Step 5: Solve for x
    x = 8,692,208.41/4,164.51
  6. Step 6: Final answer
    x = 2,087.21

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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.