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Finding the Fourth Proportional to 8,794.25, 12,136.11 and 6,558.11

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Solution

The fourth proportional to 8,794.25, 12,136.11 and 6,558.11 is: 9,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.25 : 12,136.11 = 6,558.11 : x
  2. Step 2: Convert to fraction form
    8,794.25/12,136.11 = 6,558.11/x
  3. Step 3: Cross multiply
    8,794.25x = 12,136.11 × 6,558.11
  4. Step 4: Simplify right side
    8,794.25x = 79,589,944.35
  5. Step 5: Solve for x
    x = 79,589,944.35/8,794.25
  6. Step 6: Final answer
    x = 9,050.23

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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.