Home / 8,611.20-11,883.36-4,884.96

Finding the Fourth Proportional to 8,611.20, 11,883.36 and 4,884.96

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Solution

The fourth proportional to 8,611.20, 11,883.36 and 4,884.96 is: 6,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.20 : 11,883.36 = 4,884.96 : x
  2. Step 2: Convert to fraction form
    8,611.20/11,883.36 = 4,884.96/x
  3. Step 3: Cross multiply
    8,611.20x = 11,883.36 × 4,884.96
  4. Step 4: Simplify right side
    8,611.20x = 58,049,738.27
  5. Step 5: Solve for x
    x = 58,049,738.27/8,611.20
  6. Step 6: Final answer
    x = 6,741.19

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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.