Home / 4,305.45-6,456.25-1,226.73

Finding the Fourth Proportional to 4,305.45, 6,456.25 and 1,226.73

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Solution

The fourth proportional to 4,305.45, 6,456.25 and 1,226.73 is: 1,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.45 : 6,456.25 = 1,226.73 : x
  2. Step 2: Convert to fraction form
    4,305.45/6,456.25 = 1,226.73/x
  3. Step 3: Cross multiply
    4,305.45x = 6,456.25 × 1,226.73
  4. Step 4: Simplify right side
    4,305.45x = 7,920,075.56
  5. Step 5: Solve for x
    x = 7,920,075.56/4,305.45
  6. Step 6: Final answer
    x = 1,839.55

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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.