Home / 7,895.44-11,847.75-3,214.72

Finding the Fourth Proportional to 7,895.44, 11,847.75 and 3,214.72

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Solution

The fourth proportional to 7,895.44, 11,847.75 and 3,214.72 is: 4,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.44 : 11,847.75 = 3,214.72 : x
  2. Step 2: Convert to fraction form
    7,895.44/11,847.75 = 3,214.72/x
  3. Step 3: Cross multiply
    7,895.44x = 11,847.75 × 3,214.72
  4. Step 4: Simplify right side
    7,895.44x = 38,087,198.88
  5. Step 5: Solve for x
    x = 38,087,198.88/7,895.44
  6. Step 6: Final answer
    x = 4,823.95

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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.