Home / 4,699.43-6,470.44-3,989.87

Finding the Fourth Proportional to 4,699.43, 6,470.44 and 3,989.87

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Solution

The fourth proportional to 4,699.43, 6,470.44 and 3,989.87 is: 5,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.43 : 6,470.44 = 3,989.87 : x
  2. Step 2: Convert to fraction form
    4,699.43/6,470.44 = 3,989.87/x
  3. Step 3: Cross multiply
    4,699.43x = 6,470.44 × 3,989.87
  4. Step 4: Simplify right side
    4,699.43x = 25,816,214.44
  5. Step 5: Solve for x
    x = 25,816,214.44/4,699.43
  6. Step 6: Final answer
    x = 5,493.48

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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.