Home / 6,074.35-8,382.43-3,421.70

Finding the Fourth Proportional to 6,074.35, 8,382.43 and 3,421.70

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Solution

The fourth proportional to 6,074.35, 8,382.43 and 3,421.70 is: 4,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.35 : 8,382.43 = 3,421.70 : x
  2. Step 2: Convert to fraction form
    6,074.35/8,382.43 = 3,421.70/x
  3. Step 3: Cross multiply
    6,074.35x = 8,382.43 × 3,421.70
  4. Step 4: Simplify right side
    6,074.35x = 28,682,160.73
  5. Step 5: Solve for x
    x = 28,682,160.73/6,074.35
  6. Step 6: Final answer
    x = 4,721.85

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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.