Home / 6,433.48-8,879.70-3,639.88

Finding the Fourth Proportional to 6,433.48, 8,879.70 and 3,639.88

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Solution

The fourth proportional to 6,433.48, 8,879.70 and 3,639.88 is: 5,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.48 : 8,879.70 = 3,639.88 : x
  2. Step 2: Convert to fraction form
    6,433.48/8,879.70 = 3,639.88/x
  3. Step 3: Cross multiply
    6,433.48x = 8,879.70 × 3,639.88
  4. Step 4: Simplify right side
    6,433.48x = 32,321,042.44
  5. Step 5: Solve for x
    x = 32,321,042.44/6,433.48
  6. Step 6: Final answer
    x = 5,023.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.