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Finding the Fourth Proportional to 6,381.95, 9,572.91 and 2,489.09

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Solution

The fourth proportional to 6,381.95, 9,572.91 and 2,489.09 is: 3,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.95 : 9,572.91 = 2,489.09 : x
  2. Step 2: Convert to fraction form
    6,381.95/9,572.91 = 2,489.09/x
  3. Step 3: Cross multiply
    6,381.95x = 9,572.91 × 2,489.09
  4. Step 4: Simplify right side
    6,381.95x = 23,827,786.69
  5. Step 5: Solve for x
    x = 23,827,786.69/6,381.95
  6. Step 6: Final answer
    x = 3,733.62

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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.