Home / 8,190.56-12,287.70-2,996.44

Finding the Fourth Proportional to 8,190.56, 12,287.70 and 2,996.44

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Solution

The fourth proportional to 8,190.56, 12,287.70 and 2,996.44 is: 4,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.56 : 12,287.70 = 2,996.44 : x
  2. Step 2: Convert to fraction form
    8,190.56/12,287.70 = 2,996.44/x
  3. Step 3: Cross multiply
    8,190.56x = 12,287.70 × 2,996.44
  4. Step 4: Simplify right side
    8,190.56x = 36,819,325.07
  5. Step 5: Solve for x
    x = 36,819,325.07/8,190.56
  6. Step 6: Final answer
    x = 4,495.34

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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.