Home / 7,289.60-10,936.88-2,359.44

Finding the Fourth Proportional to 7,289.60, 10,936.88 and 2,359.44

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Solution

The fourth proportional to 7,289.60, 10,936.88 and 2,359.44 is: 3,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.60 : 10,936.88 = 2,359.44 : x
  2. Step 2: Convert to fraction form
    7,289.60/10,936.88 = 2,359.44/x
  3. Step 3: Cross multiply
    7,289.60x = 10,936.88 × 2,359.44
  4. Step 4: Simplify right side
    7,289.60x = 25,804,912.15
  5. Step 5: Solve for x
    x = 25,804,912.15/7,289.60
  6. Step 6: Final answer
    x = 3,539.96

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Why These Related Problems?

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