Home / 6,219.38-8,583.09-4,122.02

Finding the Fourth Proportional to 6,219.38, 8,583.09 and 4,122.02

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Solution

The fourth proportional to 6,219.38, 8,583.09 and 4,122.02 is: 5,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.38 : 8,583.09 = 4,122.02 : x
  2. Step 2: Convert to fraction form
    6,219.38/8,583.09 = 4,122.02/x
  3. Step 3: Cross multiply
    6,219.38x = 8,583.09 × 4,122.02
  4. Step 4: Simplify right side
    6,219.38x = 35,379,668.64
  5. Step 5: Solve for x
    x = 35,379,668.64/6,219.38
  6. Step 6: Final answer
    x = 5,688.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.