Home / 4,127.37-6,191.42-1,817.61

Finding the Fourth Proportional to 4,127.37, 6,191.42 and 1,817.61

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Solution

The fourth proportional to 4,127.37, 6,191.42 and 1,817.61 is: 2,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.37 : 6,191.42 = 1,817.61 : x
  2. Step 2: Convert to fraction form
    4,127.37/6,191.42 = 1,817.61/x
  3. Step 3: Cross multiply
    4,127.37x = 6,191.42 × 1,817.61
  4. Step 4: Simplify right side
    4,127.37x = 11,253,577.82
  5. Step 5: Solve for x
    x = 11,253,577.82/4,127.37
  6. Step 6: Final answer
    x = 2,726.57

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1.5x scale

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.