Home / 6,880.97-10,321.46-1,686.85

Finding the Fourth Proportional to 6,880.97, 10,321.46 and 1,686.85

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Solution

The fourth proportional to 6,880.97, 10,321.46 and 1,686.85 is: 2,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.97 : 10,321.46 = 1,686.85 : x
  2. Step 2: Convert to fraction form
    6,880.97/10,321.46 = 1,686.85/x
  3. Step 3: Cross multiply
    6,880.97x = 10,321.46 × 1,686.85
  4. Step 4: Simplify right side
    6,880.97x = 17,410,720.56
  5. Step 5: Solve for x
    x = 17,410,720.56/6,880.97
  6. Step 6: Final answer
    x = 2,530.27

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1.5x scale

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.