Home / 4,145.96-6,218.93-1,371.88

Finding the Fourth Proportional to 4,145.96, 6,218.93 and 1,371.88

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Solution

The fourth proportional to 4,145.96, 6,218.93 and 1,371.88 is: 2,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.96 : 6,218.93 = 1,371.88 : x
  2. Step 2: Convert to fraction form
    4,145.96/6,218.93 = 1,371.88/x
  3. Step 3: Cross multiply
    4,145.96x = 6,218.93 × 1,371.88
  4. Step 4: Simplify right side
    4,145.96x = 8,531,636.89
  5. Step 5: Solve for x
    x = 8,531,636.89/4,145.96
  6. Step 6: Final answer
    x = 2,057.82

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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.