Home / 4,095.41-6,143.87-1,321.31

Finding the Fourth Proportional to 4,095.41, 6,143.87 and 1,321.31

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Solution

The fourth proportional to 4,095.41, 6,143.87 and 1,321.31 is: 1,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.41 : 6,143.87 = 1,321.31 : x
  2. Step 2: Convert to fraction form
    4,095.41/6,143.87 = 1,321.31/x
  3. Step 3: Cross multiply
    4,095.41x = 6,143.87 × 1,321.31
  4. Step 4: Simplify right side
    4,095.41x = 8,117,975.53
  5. Step 5: Solve for x
    x = 8,117,975.53/4,095.41
  6. Step 6: Final answer
    x = 1,982.22

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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.