Home / 5,414.80-7,473.42-3,057.64

Finding the Fourth Proportional to 5,414.80, 7,473.42 and 3,057.64

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Solution

The fourth proportional to 5,414.80, 7,473.42 and 3,057.64 is: 4,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.80 : 7,473.42 = 3,057.64 : x
  2. Step 2: Convert to fraction form
    5,414.80/7,473.42 = 3,057.64/x
  3. Step 3: Cross multiply
    5,414.80x = 7,473.42 × 3,057.64
  4. Step 4: Simplify right side
    5,414.80x = 22,851,027.93
  5. Step 5: Solve for x
    x = 22,851,027.93/5,414.80
  6. Step 6: Final answer
    x = 4,220.11

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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.