Home / 5,863.20-8,091.36-3,210.60

Finding the Fourth Proportional to 5,863.20, 8,091.36 and 3,210.60

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Solution

The fourth proportional to 5,863.20, 8,091.36 and 3,210.60 is: 4,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.20 : 8,091.36 = 3,210.60 : x
  2. Step 2: Convert to fraction form
    5,863.20/8,091.36 = 3,210.60/x
  3. Step 3: Cross multiply
    5,863.20x = 8,091.36 × 3,210.60
  4. Step 4: Simplify right side
    5,863.20x = 25,978,150.76
  5. Step 5: Solve for x
    x = 25,978,150.76/5,863.20
  6. Step 6: Final answer
    x = 4,430.71

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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.