Home / 8,184.43-12,278.46-3,504.65

Finding the Fourth Proportional to 8,184.43, 12,278.46 and 3,504.65

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Solution

The fourth proportional to 8,184.43, 12,278.46 and 3,504.65 is: 5,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.43 : 12,278.46 = 3,504.65 : x
  2. Step 2: Convert to fraction form
    8,184.43/12,278.46 = 3,504.65/x
  3. Step 3: Cross multiply
    8,184.43x = 12,278.46 × 3,504.65
  4. Step 4: Simplify right side
    8,184.43x = 43,031,687.32
  5. Step 5: Solve for x
    x = 43,031,687.32/8,184.43
  6. Step 6: Final answer
    x = 5,257.75

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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.