Home / 4,310.38-6,466.83-1,388.62

Finding the Fourth Proportional to 4,310.38, 6,466.83 and 1,388.62

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Solution

The fourth proportional to 4,310.38, 6,466.83 and 1,388.62 is: 2,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.38 : 6,466.83 = 1,388.62 : x
  2. Step 2: Convert to fraction form
    4,310.38/6,466.83 = 1,388.62/x
  3. Step 3: Cross multiply
    4,310.38x = 6,466.83 × 1,388.62
  4. Step 4: Simplify right side
    4,310.38x = 8,979,969.47
  5. Step 5: Solve for x
    x = 8,979,969.47/4,310.38
  6. Step 6: Final answer
    x = 2,083.34

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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.