Home / 4,260.25-6,391.48-1,486.94

Finding the Fourth Proportional to 4,260.25, 6,391.48 and 1,486.94

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Solution

The fourth proportional to 4,260.25, 6,391.48 and 1,486.94 is: 2,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.25 : 6,391.48 = 1,486.94 : x
  2. Step 2: Convert to fraction form
    4,260.25/6,391.48 = 1,486.94/x
  3. Step 3: Cross multiply
    4,260.25x = 6,391.48 × 1,486.94
  4. Step 4: Simplify right side
    4,260.25x = 9,503,747.27
  5. Step 5: Solve for x
    x = 9,503,747.27/4,260.25
  6. Step 6: Final answer
    x = 2,230.80

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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.