Home / 6,238.82-8,611.31-3,587.09

Finding the Fourth Proportional to 6,238.82, 8,611.31 and 3,587.09

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Solution

The fourth proportional to 6,238.82, 8,611.31 and 3,587.09 is: 4,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.82 : 8,611.31 = 3,587.09 : x
  2. Step 2: Convert to fraction form
    6,238.82/8,611.31 = 3,587.09/x
  3. Step 3: Cross multiply
    6,238.82x = 8,611.31 × 3,587.09
  4. Step 4: Simplify right side
    6,238.82x = 30,889,543.99
  5. Step 5: Solve for x
    x = 30,889,543.99/6,238.82
  6. Step 6: Final answer
    x = 4,951.18

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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.