Home / 6,694.80-10,039.32-2,078.16

Finding the Fourth Proportional to 6,694.80, 10,039.32 and 2,078.16

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Solution

The fourth proportional to 6,694.80, 10,039.32 and 2,078.16 is: 3,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.80 : 10,039.32 = 2,078.16 : x
  2. Step 2: Convert to fraction form
    6,694.80/10,039.32 = 2,078.16/x
  3. Step 3: Cross multiply
    6,694.80x = 10,039.32 × 2,078.16
  4. Step 4: Simplify right side
    6,694.80x = 20,863,313.25
  5. Step 5: Solve for x
    x = 20,863,313.25/6,694.80
  6. Step 6: Final answer
    x = 3,116.35

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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.