Home / 6,817.20-10,217.70-3,528.60

Finding the Fourth Proportional to 6,817.20, 10,217.70 and 3,528.60

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Solution

The fourth proportional to 6,817.20, 10,217.70 and 3,528.60 is: 5,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.20 : 10,217.70 = 3,528.60 : x
  2. Step 2: Convert to fraction form
    6,817.20/10,217.70 = 3,528.60/x
  3. Step 3: Cross multiply
    6,817.20x = 10,217.70 × 3,528.60
  4. Step 4: Simplify right side
    6,817.20x = 36,054,176.22
  5. Step 5: Solve for x
    x = 36,054,176.22/6,817.20
  6. Step 6: Final answer
    x = 5,288.71

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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.