Home / 4,865.40-7,289.46-3,318.84

Finding the Fourth Proportional to 4,865.40, 7,289.46 and 3,318.84

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Solution

The fourth proportional to 4,865.40, 7,289.46 and 3,318.84 is: 4,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.40 : 7,289.46 = 3,318.84 : x
  2. Step 2: Convert to fraction form
    4,865.40/7,289.46 = 3,318.84/x
  3. Step 3: Cross multiply
    4,865.40x = 7,289.46 × 3,318.84
  4. Step 4: Simplify right side
    4,865.40x = 24,192,551.43
  5. Step 5: Solve for x
    x = 24,192,551.43/4,865.40
  6. Step 6: Final answer
    x = 4,972.37

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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.