Home / 4,419.57-6,627.94-4,128.38

Finding the Fourth Proportional to 4,419.57, 6,627.94 and 4,128.38

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Solution

The fourth proportional to 4,419.57, 6,627.94 and 4,128.38 is: 6,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.57 : 6,627.94 = 4,128.38 : x
  2. Step 2: Convert to fraction form
    4,419.57/6,627.94 = 4,128.38/x
  3. Step 3: Cross multiply
    4,419.57x = 6,627.94 × 4,128.38
  4. Step 4: Simplify right side
    4,419.57x = 27,362,611.48
  5. Step 5: Solve for x
    x = 27,362,611.48/4,419.57
  6. Step 6: Final answer
    x = 6,191.24

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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.