Home / 4,455.80-6,683.70-2,727.80

Finding the Fourth Proportional to 4,455.80, 6,683.70 and 2,727.80

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Solution

The fourth proportional to 4,455.80, 6,683.70 and 2,727.80 is: 4,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.80 : 6,683.70 = 2,727.80 : x
  2. Step 2: Convert to fraction form
    4,455.80/6,683.70 = 2,727.80/x
  3. Step 3: Cross multiply
    4,455.80x = 6,683.70 × 2,727.80
  4. Step 4: Simplify right side
    4,455.80x = 18,231,796.86
  5. Step 5: Solve for x
    x = 18,231,796.86/4,455.80
  6. Step 6: Final answer
    x = 4,091.70

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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.