Home / 6,213.36-8,578.80-5,107.44

Finding the Fourth Proportional to 6,213.36, 8,578.80 and 5,107.44

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Solution

The fourth proportional to 6,213.36, 8,578.80 and 5,107.44 is: 7,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.36 : 8,578.80 = 5,107.44 : x
  2. Step 2: Convert to fraction form
    6,213.36/8,578.80 = 5,107.44/x
  3. Step 3: Cross multiply
    6,213.36x = 8,578.80 × 5,107.44
  4. Step 4: Simplify right side
    6,213.36x = 43,815,706.27
  5. Step 5: Solve for x
    x = 43,815,706.27/6,213.36
  6. Step 6: Final answer
    x = 7,051.85

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Half scale
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Double scale
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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.