Home / 5,857.75-8,083.70-3,205.18

Finding the Fourth Proportional to 5,857.75, 8,083.70 and 3,205.18

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Solution

The fourth proportional to 5,857.75, 8,083.70 and 3,205.18 is: 4,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.75 : 8,083.70 = 3,205.18 : x
  2. Step 2: Convert to fraction form
    5,857.75/8,083.70 = 3,205.18/x
  3. Step 3: Cross multiply
    5,857.75x = 8,083.70 × 3,205.18
  4. Step 4: Simplify right side
    5,857.75x = 25,909,713.57
  5. Step 5: Solve for x
    x = 25,909,713.57/5,857.75
  6. Step 6: Final answer
    x = 4,423.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.