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Finding the Fourth Proportional to 8,249.36, 12,368.28 and 4,084.28

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Solution

The fourth proportional to 8,249.36, 12,368.28 and 4,084.28 is: 6,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.36 : 12,368.28 = 4,084.28 : x
  2. Step 2: Convert to fraction form
    8,249.36/12,368.28 = 4,084.28/x
  3. Step 3: Cross multiply
    8,249.36x = 12,368.28 × 4,084.28
  4. Step 4: Simplify right side
    8,249.36x = 50,515,518.64
  5. Step 5: Solve for x
    x = 50,515,518.64/8,249.36
  6. Step 6: Final answer
    x = 6,123.57

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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.