Home / 8,187.64-11,305.60-6,675.44

Finding the Fourth Proportional to 8,187.64, 11,305.60 and 6,675.44

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Solution

The fourth proportional to 8,187.64, 11,305.60 and 6,675.44 is: 9,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.64 : 11,305.60 = 6,675.44 : x
  2. Step 2: Convert to fraction form
    8,187.64/11,305.60 = 6,675.44/x
  3. Step 3: Cross multiply
    8,187.64x = 11,305.60 × 6,675.44
  4. Step 4: Simplify right side
    8,187.64x = 75,469,854.46
  5. Step 5: Solve for x
    x = 75,469,854.46/8,187.64
  6. Step 6: Final answer
    x = 9,217.53

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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.