Home / 6,855.59-10,285.25-2,175.75

Finding the Fourth Proportional to 6,855.59, 10,285.25 and 2,175.75

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Solution

The fourth proportional to 6,855.59, 10,285.25 and 2,175.75 is: 3,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.59 : 10,285.25 = 2,175.75 : x
  2. Step 2: Convert to fraction form
    6,855.59/10,285.25 = 2,175.75/x
  3. Step 3: Cross multiply
    6,855.59x = 10,285.25 × 2,175.75
  4. Step 4: Simplify right side
    6,855.59x = 22,378,121.81
  5. Step 5: Solve for x
    x = 22,378,121.81/6,855.59
  6. Step 6: Final answer
    x = 3,264.21

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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.