Home / 6,878.97-10,318.46-2,199.35

Finding the Fourth Proportional to 6,878.97, 10,318.46 and 2,199.35

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Solution

The fourth proportional to 6,878.97, 10,318.46 and 2,199.35 is: 3,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.97 : 10,318.46 = 2,199.35 : x
  2. Step 2: Convert to fraction form
    6,878.97/10,318.46 = 2,199.35/x
  3. Step 3: Cross multiply
    6,878.97x = 10,318.46 × 2,199.35
  4. Step 4: Simplify right side
    6,878.97x = 22,693,936.30
  5. Step 5: Solve for x
    x = 22,693,936.30/6,878.97
  6. Step 6: Final answer
    x = 3,299.03

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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.