Home / 6,495.36-9,745.20-2,112.96

Finding the Fourth Proportional to 6,495.36, 9,745.20 and 2,112.96

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Solution

The fourth proportional to 6,495.36, 9,745.20 and 2,112.96 is: 3,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.36 : 9,745.20 = 2,112.96 : x
  2. Step 2: Convert to fraction form
    6,495.36/9,745.20 = 2,112.96/x
  3. Step 3: Cross multiply
    6,495.36x = 9,745.20 × 2,112.96
  4. Step 4: Simplify right side
    6,495.36x = 20,591,217.79
  5. Step 5: Solve for x
    x = 20,591,217.79/6,495.36
  6. Step 6: Final answer
    x = 3,170.14

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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.