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Finding the Fourth Proportional to 6,299.67, 8,693.82 and 3,781.99

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Solution

The fourth proportional to 6,299.67, 8,693.82 and 3,781.99 is: 5,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.67 : 8,693.82 = 3,781.99 : x
  2. Step 2: Convert to fraction form
    6,299.67/8,693.82 = 3,781.99/x
  3. Step 3: Cross multiply
    6,299.67x = 8,693.82 × 3,781.99
  4. Step 4: Simplify right side
    6,299.67x = 32,879,877.92
  5. Step 5: Solve for x
    x = 32,879,877.92/6,299.67
  6. Step 6: Final answer
    x = 5,219.30

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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.