Home / 5,863.20-8,091.22-3,210.61

Finding the Fourth Proportional to 5,863.20, 8,091.22 and 3,210.61

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Solution

The fourth proportional to 5,863.20, 8,091.22 and 3,210.61 is: 4,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.20 : 8,091.22 = 3,210.61 : x
  2. Step 2: Convert to fraction form
    5,863.20/8,091.22 = 3,210.61/x
  3. Step 3: Cross multiply
    5,863.20x = 8,091.22 × 3,210.61
  4. Step 4: Simplify right side
    5,863.20x = 25,977,751.84
  5. Step 5: Solve for x
    x = 25,977,751.84/5,863.20
  6. Step 6: Final answer
    x = 4,430.64

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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.