Home / 8,144.80-11,232.83-6,463.55

Finding the Fourth Proportional to 8,144.80, 11,232.83 and 6,463.55

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Solution

The fourth proportional to 8,144.80, 11,232.83 and 6,463.55 is: 8,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.80 : 11,232.83 = 6,463.55 : x
  2. Step 2: Convert to fraction form
    8,144.80/11,232.83 = 6,463.55/x
  3. Step 3: Cross multiply
    8,144.80x = 11,232.83 × 6,463.55
  4. Step 4: Simplify right side
    8,144.80x = 72,603,903.05
  5. Step 5: Solve for x
    x = 72,603,903.05/8,144.80
  6. Step 6: Final answer
    x = 8,914.14

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Half scale
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Double scale
Find fourth proportional to 8,145.80, 11,234.21 and 6,464.55
Similar ratio
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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.