Home / 4,661.35-6,989.90-2,028.75

Finding the Fourth Proportional to 4,661.35, 6,989.90 and 2,028.75

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Solution

The fourth proportional to 4,661.35, 6,989.90 and 2,028.75 is: 3,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.35 : 6,989.90 = 2,028.75 : x
  2. Step 2: Convert to fraction form
    4,661.35/6,989.90 = 2,028.75/x
  3. Step 3: Cross multiply
    4,661.35x = 6,989.90 × 2,028.75
  4. Step 4: Simplify right side
    4,661.35x = 14,180,723.27
  5. Step 5: Solve for x
    x = 14,180,723.27/4,661.35
  6. Step 6: Final answer
    x = 3,042.19

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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.