Home / 5,858.20-8,084.31-3,205.60

Finding the Fourth Proportional to 5,858.20, 8,084.31 and 3,205.60

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Solution

The fourth proportional to 5,858.20, 8,084.31 and 3,205.60 is: 4,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.20 : 8,084.31 = 3,205.60 : x
  2. Step 2: Convert to fraction form
    5,858.20/8,084.31 = 3,205.60/x
  3. Step 3: Cross multiply
    5,858.20x = 8,084.31 × 3,205.60
  4. Step 4: Simplify right side
    5,858.20x = 25,915,064.14
  5. Step 5: Solve for x
    x = 25,915,064.14/5,858.20
  6. Step 6: Final answer
    x = 4,423.72

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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.