Home / 4,286.61-6,431.31-1,946.34

Finding the Fourth Proportional to 4,286.61, 6,431.31 and 1,946.34

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Solution

The fourth proportional to 4,286.61, 6,431.31 and 1,946.34 is: 2,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.61 : 6,431.31 = 1,946.34 : x
  2. Step 2: Convert to fraction form
    4,286.61/6,431.31 = 1,946.34/x
  3. Step 3: Cross multiply
    4,286.61x = 6,431.31 × 1,946.34
  4. Step 4: Simplify right side
    4,286.61x = 12,517,515.91
  5. Step 5: Solve for x
    x = 12,517,515.91/4,286.61
  6. Step 6: Final answer
    x = 2,920.14

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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.