Home / 8,694.12-13,041.60-2,850.72

Finding the Fourth Proportional to 8,694.12, 13,041.60 and 2,850.72

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Solution

The fourth proportional to 8,694.12, 13,041.60 and 2,850.72 is: 4,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.12 : 13,041.60 = 2,850.72 : x
  2. Step 2: Convert to fraction form
    8,694.12/13,041.60 = 2,850.72/x
  3. Step 3: Cross multiply
    8,694.12x = 13,041.60 × 2,850.72
  4. Step 4: Simplify right side
    8,694.12x = 37,177,949.95
  5. Step 5: Solve for x
    x = 37,177,949.95/8,694.12
  6. Step 6: Final answer
    x = 4,276.22

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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.