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Finding the Fourth Proportional to 8,856.60, 13,284.90 and 6,910.44

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Solution

The fourth proportional to 8,856.60, 13,284.90 and 6,910.44 is: 10,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.60 : 13,284.90 = 6,910.44 : x
  2. Step 2: Convert to fraction form
    8,856.60/13,284.90 = 6,910.44/x
  3. Step 3: Cross multiply
    8,856.60x = 13,284.90 × 6,910.44
  4. Step 4: Simplify right side
    8,856.60x = 91,804,504.36
  5. Step 5: Solve for x
    x = 91,804,504.36/8,856.60
  6. Step 6: Final answer
    x = 10,365.66

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Similar ratio
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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.