Home / 4,805.31-7,208.87-1,519.23

Finding the Fourth Proportional to 4,805.31, 7,208.87 and 1,519.23

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Solution

The fourth proportional to 4,805.31, 7,208.87 and 1,519.23 is: 2,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.31 : 7,208.87 = 1,519.23 : x
  2. Step 2: Convert to fraction form
    4,805.31/7,208.87 = 1,519.23/x
  3. Step 3: Cross multiply
    4,805.31x = 7,208.87 × 1,519.23
  4. Step 4: Simplify right side
    4,805.31x = 10,951,923.97
  5. Step 5: Solve for x
    x = 10,951,923.97/4,805.31
  6. Step 6: Final answer
    x = 2,279.13

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1.5x scale

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.