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Finding the Fourth Proportional to 5,720.99, 8,546.81 and 3,624.21

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Solution

The fourth proportional to 5,720.99, 8,546.81 and 3,624.21 is: 5,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.99 : 8,546.81 = 3,624.21 : x
  2. Step 2: Convert to fraction form
    5,720.99/8,546.81 = 3,624.21/x
  3. Step 3: Cross multiply
    5,720.99x = 8,546.81 × 3,624.21
  4. Step 4: Simplify right side
    5,720.99x = 30,975,416.15
  5. Step 5: Solve for x
    x = 30,975,416.15/5,720.99
  6. Step 6: Final answer
    x = 5,414.35

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.