Home / 4,021.45-6,032.44-1,389.22

Finding the Fourth Proportional to 4,021.45, 6,032.44 and 1,389.22

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Solution

The fourth proportional to 4,021.45, 6,032.44 and 1,389.22 is: 2,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.45 : 6,032.44 = 1,389.22 : x
  2. Step 2: Convert to fraction form
    4,021.45/6,032.44 = 1,389.22/x
  3. Step 3: Cross multiply
    4,021.45x = 6,032.44 × 1,389.22
  4. Step 4: Simplify right side
    4,021.45x = 8,380,372.95
  5. Step 5: Solve for x
    x = 8,380,372.95/4,021.45
  6. Step 6: Final answer
    x = 2,083.92

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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.