Home / 4,186.75-6,280.06-1,415.37

Finding the Fourth Proportional to 4,186.75, 6,280.06 and 1,415.37

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Solution

The fourth proportional to 4,186.75, 6,280.06 and 1,415.37 is: 2,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.75 : 6,280.06 = 1,415.37 : x
  2. Step 2: Convert to fraction form
    4,186.75/6,280.06 = 1,415.37/x
  3. Step 3: Cross multiply
    4,186.75x = 6,280.06 × 1,415.37
  4. Step 4: Simplify right side
    4,186.75x = 8,888,608.67
  5. Step 5: Solve for x
    x = 8,888,608.67/4,186.75
  6. Step 6: Final answer
    x = 2,123.03

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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.