Home / 7,942.48-11,912.10-3,010.44

Finding the Fourth Proportional to 7,942.48, 11,912.10 and 3,010.44

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Solution

The fourth proportional to 7,942.48, 11,912.10 and 3,010.44 is: 4,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.48 : 11,912.10 = 3,010.44 : x
  2. Step 2: Convert to fraction form
    7,942.48/11,912.10 = 3,010.44/x
  3. Step 3: Cross multiply
    7,942.48x = 11,912.10 × 3,010.44
  4. Step 4: Simplify right side
    7,942.48x = 35,860,662.32
  5. Step 5: Solve for x
    x = 35,860,662.32/7,942.48
  6. Step 6: Final answer
    x = 4,515.05

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1.5x scale

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.