Home / 8,003.60-11,982.14-4,661.66

Finding the Fourth Proportional to 8,003.60, 11,982.14 and 4,661.66

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Solution

The fourth proportional to 8,003.60, 11,982.14 and 4,661.66 is: 6,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.60 : 11,982.14 = 4,661.66 : x
  2. Step 2: Convert to fraction form
    8,003.60/11,982.14 = 4,661.66/x
  3. Step 3: Cross multiply
    8,003.60x = 11,982.14 × 4,661.66
  4. Step 4: Simplify right side
    8,003.60x = 55,856,662.75
  5. Step 5: Solve for x
    x = 55,856,662.75/8,003.60
  6. Step 6: Final answer
    x = 6,978.94

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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.