Home / 4,766.25-7,144.92-1,991.19

Finding the Fourth Proportional to 4,766.25, 7,144.92 and 1,991.19

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Solution

The fourth proportional to 4,766.25, 7,144.92 and 1,991.19 is: 2,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.25 : 7,144.92 = 1,991.19 : x
  2. Step 2: Convert to fraction form
    4,766.25/7,144.92 = 1,991.19/x
  3. Step 3: Cross multiply
    4,766.25x = 7,144.92 × 1,991.19
  4. Step 4: Simplify right side
    4,766.25x = 14,226,893.25
  5. Step 5: Solve for x
    x = 14,226,893.25/4,766.25
  6. Step 6: Final answer
    x = 2,984.92

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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.