Home / 4,665.21-6,963.68-4,111.65

Finding the Fourth Proportional to 4,665.21, 6,963.68 and 4,111.65

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Solution

The fourth proportional to 4,665.21, 6,963.68 and 4,111.65 is: 6,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.21 : 6,963.68 = 4,111.65 : x
  2. Step 2: Convert to fraction form
    4,665.21/6,963.68 = 4,111.65/x
  3. Step 3: Cross multiply
    4,665.21x = 6,963.68 × 4,111.65
  4. Step 4: Simplify right side
    4,665.21x = 28,632,190.33
  5. Step 5: Solve for x
    x = 28,632,190.33/4,665.21
  6. Step 6: Final answer
    x = 6,137.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.