Home / 6,431.49-9,650.84-3,512.97

Finding the Fourth Proportional to 6,431.49, 9,650.84 and 3,512.97

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Solution

The fourth proportional to 6,431.49, 9,650.84 and 3,512.97 is: 5,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.49 : 9,650.84 = 3,512.97 : x
  2. Step 2: Convert to fraction form
    6,431.49/9,650.84 = 3,512.97/x
  3. Step 3: Cross multiply
    6,431.49x = 9,650.84 × 3,512.97
  4. Step 4: Simplify right side
    6,431.49x = 33,903,093.83
  5. Step 5: Solve for x
    x = 33,903,093.83/6,431.49
  6. Step 6: Final answer
    x = 5,271.42

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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.