Home / 4,628.43-6,387.44-2,859.75

Finding the Fourth Proportional to 4,628.43, 6,387.44 and 2,859.75

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Solution

The fourth proportional to 4,628.43, 6,387.44 and 2,859.75 is: 3,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.43 : 6,387.44 = 2,859.75 : x
  2. Step 2: Convert to fraction form
    4,628.43/6,387.44 = 2,859.75/x
  3. Step 3: Cross multiply
    4,628.43x = 6,387.44 × 2,859.75
  4. Step 4: Simplify right side
    4,628.43x = 18,266,467.24
  5. Step 5: Solve for x
    x = 18,266,467.24/4,628.43
  6. Step 6: Final answer
    x = 3,946.58

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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.