Home / 4,805.45-6,631.57-2,789.31

Finding the Fourth Proportional to 4,805.45, 6,631.57 and 2,789.31

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Solution

The fourth proportional to 4,805.45, 6,631.57 and 2,789.31 is: 3,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.45 : 6,631.57 = 2,789.31 : x
  2. Step 2: Convert to fraction form
    4,805.45/6,631.57 = 2,789.31/x
  3. Step 3: Cross multiply
    4,805.45x = 6,631.57 × 2,789.31
  4. Step 4: Simplify right side
    4,805.45x = 18,497,504.52
  5. Step 5: Solve for x
    x = 18,497,504.52/4,805.45
  6. Step 6: Final answer
    x = 3,849.28

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1.5x scale

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.