Home / 4,233.33-6,351.21-1,638.09

Finding the Fourth Proportional to 4,233.33, 6,351.21 and 1,638.09

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Solution

The fourth proportional to 4,233.33, 6,351.21 and 1,638.09 is: 2,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.33 : 6,351.21 = 1,638.09 : x
  2. Step 2: Convert to fraction form
    4,233.33/6,351.21 = 1,638.09/x
  3. Step 3: Cross multiply
    4,233.33x = 6,351.21 × 1,638.09
  4. Step 4: Simplify right side
    4,233.33x = 10,403,853.59
  5. Step 5: Solve for x
    x = 10,403,853.59/4,233.33
  6. Step 6: Final answer
    x = 2,457.61

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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.