Home / 5,185.63-7,771.15-2,257.80

Finding the Fourth Proportional to 5,185.63, 7,771.15 and 2,257.80

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Solution

The fourth proportional to 5,185.63, 7,771.15 and 2,257.80 is: 3,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.63 : 7,771.15 = 2,257.80 : x
  2. Step 2: Convert to fraction form
    5,185.63/7,771.15 = 2,257.80/x
  3. Step 3: Cross multiply
    5,185.63x = 7,771.15 × 2,257.80
  4. Step 4: Simplify right side
    5,185.63x = 17,545,702.47
  5. Step 5: Solve for x
    x = 17,545,702.47/5,185.63
  6. Step 6: Final answer
    x = 3,383.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.