Home / 4,040.42-5,577.21-3,414.28

Finding the Fourth Proportional to 4,040.42, 5,577.21 and 3,414.28

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Solution

The fourth proportional to 4,040.42, 5,577.21 and 3,414.28 is: 4,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.42 : 5,577.21 = 3,414.28 : x
  2. Step 2: Convert to fraction form
    4,040.42/5,577.21 = 3,414.28/x
  3. Step 3: Cross multiply
    4,040.42x = 5,577.21 × 3,414.28
  4. Step 4: Simplify right side
    4,040.42x = 19,042,111.60
  5. Step 5: Solve for x
    x = 19,042,111.60/4,040.42
  6. Step 6: Final answer
    x = 4,712.90

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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.