Home / 4,130.67-6,198.03-1,939.59

Finding the Fourth Proportional to 4,130.67, 6,198.03 and 1,939.59

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Solution

The fourth proportional to 4,130.67, 6,198.03 and 1,939.59 is: 2,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.67 : 6,198.03 = 1,939.59 : x
  2. Step 2: Convert to fraction form
    4,130.67/6,198.03 = 1,939.59/x
  3. Step 3: Cross multiply
    4,130.67x = 6,198.03 × 1,939.59
  4. Step 4: Simplify right side
    4,130.67x = 12,021,637.01
  5. Step 5: Solve for x
    x = 12,021,637.01/4,130.67
  6. Step 6: Final answer
    x = 2,910.34

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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.