Home / 6,683.45-9,221.62-3,994.16

Finding the Fourth Proportional to 6,683.45, 9,221.62 and 3,994.16

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Solution

The fourth proportional to 6,683.45, 9,221.62 and 3,994.16 is: 5,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.45 : 9,221.62 = 3,994.16 : x
  2. Step 2: Convert to fraction form
    6,683.45/9,221.62 = 3,994.16/x
  3. Step 3: Cross multiply
    6,683.45x = 9,221.62 × 3,994.16
  4. Step 4: Simplify right side
    6,683.45x = 36,832,640.24
  5. Step 5: Solve for x
    x = 36,832,640.24/6,683.45
  6. Step 6: Final answer
    x = 5,511.02

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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.