Home / 6,739.31-10,100.53-3,611.57

Finding the Fourth Proportional to 6,739.31, 10,100.53 and 3,611.57

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Solution

The fourth proportional to 6,739.31, 10,100.53 and 3,611.57 is: 5,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.31 : 10,100.53 = 3,611.57 : x
  2. Step 2: Convert to fraction form
    6,739.31/10,100.53 = 3,611.57/x
  3. Step 3: Cross multiply
    6,739.31x = 10,100.53 × 3,611.57
  4. Step 4: Simplify right side
    6,739.31x = 36,478,725.14
  5. Step 5: Solve for x
    x = 36,478,725.14/6,739.31
  6. Step 6: Final answer
    x = 5,412.83

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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.