Home / 4,121.72-6,187.17-1,658.26

Finding the Fourth Proportional to 4,121.72, 6,187.17 and 1,658.26

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Solution

The fourth proportional to 4,121.72, 6,187.17 and 1,658.26 is: 2,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.72 : 6,187.17 = 1,658.26 : x
  2. Step 2: Convert to fraction form
    4,121.72/6,187.17 = 1,658.26/x
  3. Step 3: Cross multiply
    4,121.72x = 6,187.17 × 1,658.26
  4. Step 4: Simplify right side
    4,121.72x = 10,259,936.52
  5. Step 5: Solve for x
    x = 10,259,936.52/4,121.72
  6. Step 6: Final answer
    x = 2,489.24

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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.