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Finding the Fourth Proportional to 8,136.31, 11,228.12 and 4,410.31

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Solution

The fourth proportional to 8,136.31, 11,228.12 and 4,410.31 is: 6,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.31 : 11,228.12 = 4,410.31 : x
  2. Step 2: Convert to fraction form
    8,136.31/11,228.12 = 4,410.31/x
  3. Step 3: Cross multiply
    8,136.31x = 11,228.12 × 4,410.31
  4. Step 4: Simplify right side
    8,136.31x = 49,519,489.92
  5. Step 5: Solve for x
    x = 49,519,489.92/8,136.31
  6. Step 6: Final answer
    x = 6,086.23

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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.