Home / 8,074.82-12,116.93-3,394.49

Finding the Fourth Proportional to 8,074.82, 12,116.93 and 3,394.49

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Solution

The fourth proportional to 8,074.82, 12,116.93 and 3,394.49 is: 5,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.82 : 12,116.93 = 3,394.49 : x
  2. Step 2: Convert to fraction form
    8,074.82/12,116.93 = 3,394.49/x
  3. Step 3: Cross multiply
    8,074.82x = 12,116.93 × 3,394.49
  4. Step 4: Simplify right side
    8,074.82x = 41,130,720.16
  5. Step 5: Solve for x
    x = 41,130,720.16/8,074.82
  6. Step 6: Final answer
    x = 5,093.70

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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.