Home / 4,314.18-6,469.80-1,391.82

Finding the Fourth Proportional to 4,314.18, 6,469.80 and 1,391.82

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Solution

The fourth proportional to 4,314.18, 6,469.80 and 1,391.82 is: 2,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.18 : 6,469.80 = 1,391.82 : x
  2. Step 2: Convert to fraction form
    4,314.18/6,469.80 = 1,391.82/x
  3. Step 3: Cross multiply
    4,314.18x = 6,469.80 × 1,391.82
  4. Step 4: Simplify right side
    4,314.18x = 9,004,797.04
  5. Step 5: Solve for x
    x = 9,004,797.04/4,314.18
  6. Step 6: Final answer
    x = 2,087.26

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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.