Home / 6,406.14-9,608.87-1,963.80

Finding the Fourth Proportional to 6,406.14, 9,608.87 and 1,963.80

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Solution

The fourth proportional to 6,406.14, 9,608.87 and 1,963.80 is: 2,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.14 : 9,608.87 = 1,963.80 : x
  2. Step 2: Convert to fraction form
    6,406.14/9,608.87 = 1,963.80/x
  3. Step 3: Cross multiply
    6,406.14x = 9,608.87 × 1,963.80
  4. Step 4: Simplify right side
    6,406.14x = 18,869,889.09
  5. Step 5: Solve for x
    x = 18,869,889.09/6,406.14
  6. Step 6: Final answer
    x = 2,945.59

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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.