Home / 6,220.62-8,583.82-3,830.21

Finding the Fourth Proportional to 6,220.62, 8,583.82 and 3,830.21

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Solution

The fourth proportional to 6,220.62, 8,583.82 and 3,830.21 is: 5,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.62 : 8,583.82 = 3,830.21 : x
  2. Step 2: Convert to fraction form
    6,220.62/8,583.82 = 3,830.21/x
  3. Step 3: Cross multiply
    6,220.62x = 8,583.82 × 3,830.21
  4. Step 4: Simplify right side
    6,220.62x = 32,877,814.05
  5. Step 5: Solve for x
    x = 32,877,814.05/6,220.62
  6. Step 6: Final answer
    x = 5,285.30

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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.