Home / 6,272.75-8,656.66-3,620.15

Finding the Fourth Proportional to 6,272.75, 8,656.66 and 3,620.15

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Solution

The fourth proportional to 6,272.75, 8,656.66 and 3,620.15 is: 4,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.75 : 8,656.66 = 3,620.15 : x
  2. Step 2: Convert to fraction form
    6,272.75/8,656.66 = 3,620.15/x
  3. Step 3: Cross multiply
    6,272.75x = 8,656.66 × 3,620.15
  4. Step 4: Simplify right side
    6,272.75x = 31,338,355.37
  5. Step 5: Solve for x
    x = 31,338,355.37/6,272.75
  6. Step 6: Final answer
    x = 4,995.96

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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.