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Finding the Fourth Proportional to 5,647.56, 7,795.18 and 3,521.84

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Solution

The fourth proportional to 5,647.56, 7,795.18 and 3,521.84 is: 4,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.56 : 7,795.18 = 3,521.84 : x
  2. Step 2: Convert to fraction form
    5,647.56/7,795.18 = 3,521.84/x
  3. Step 3: Cross multiply
    5,647.56x = 7,795.18 × 3,521.84
  4. Step 4: Simplify right side
    5,647.56x = 27,453,372.61
  5. Step 5: Solve for x
    x = 27,453,372.61/5,647.56
  6. Step 6: Final answer
    x = 4,861.10

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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.