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Finding the Fourth Proportional to 8,134.19, 11,225.19 and 4,408.19

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Solution

The fourth proportional to 8,134.19, 11,225.19 and 4,408.19 is: 6,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.19 : 11,225.19 = 4,408.19 : x
  2. Step 2: Convert to fraction form
    8,134.19/11,225.19 = 4,408.19/x
  3. Step 3: Cross multiply
    8,134.19x = 11,225.19 × 4,408.19
  4. Step 4: Simplify right side
    8,134.19x = 49,482,770.31
  5. Step 5: Solve for x
    x = 49,482,770.31/8,134.19
  6. Step 6: Final answer
    x = 6,083.31

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Half scale
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Double scale
Find fourth proportional to 8,135.19, 11,226.57 and 4,409.19
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.