Home / 8,480.82-11,704.25-4,705.20

Finding the Fourth Proportional to 8,480.82, 11,704.25 and 4,705.20

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Solution

The fourth proportional to 8,480.82, 11,704.25 and 4,705.20 is: 6,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.82 : 11,704.25 = 4,705.20 : x
  2. Step 2: Convert to fraction form
    8,480.82/11,704.25 = 4,705.20/x
  3. Step 3: Cross multiply
    8,480.82x = 11,704.25 × 4,705.20
  4. Step 4: Simplify right side
    8,480.82x = 55,070,837.10
  5. Step 5: Solve for x
    x = 55,070,837.10/8,480.82
  6. Step 6: Final answer
    x = 6,493.57

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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.