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Finding the Fourth Proportional to 5,605.95, 7,736.19 and 3,087.99

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Solution

The fourth proportional to 5,605.95, 7,736.19 and 3,087.99 is: 4,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.95 : 7,736.19 = 3,087.99 : x
  2. Step 2: Convert to fraction form
    5,605.95/7,736.19 = 3,087.99/x
  3. Step 3: Cross multiply
    5,605.95x = 7,736.19 × 3,087.99
  4. Step 4: Simplify right side
    5,605.95x = 23,889,277.36
  5. Step 5: Solve for x
    x = 23,889,277.36/5,605.95
  6. Step 6: Final answer
    x = 4,261.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.