Home / 8,278.94-12,418.96-3,083.06

Finding the Fourth Proportional to 8,278.94, 12,418.96 and 3,083.06

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Solution

The fourth proportional to 8,278.94, 12,418.96 and 3,083.06 is: 4,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.94 : 12,418.96 = 3,083.06 : x
  2. Step 2: Convert to fraction form
    8,278.94/12,418.96 = 3,083.06/x
  3. Step 3: Cross multiply
    8,278.94x = 12,418.96 × 3,083.06
  4. Step 4: Simplify right side
    8,278.94x = 38,288,398.82
  5. Step 5: Solve for x
    x = 38,288,398.82/8,278.94
  6. Step 6: Final answer
    x = 4,624.79

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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.