Home / 4,084.75-6,128.57-1,621.27

Finding the Fourth Proportional to 4,084.75, 6,128.57 and 1,621.27

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Solution

The fourth proportional to 4,084.75, 6,128.57 and 1,621.27 is: 2,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.75 : 6,128.57 = 1,621.27 : x
  2. Step 2: Convert to fraction form
    4,084.75/6,128.57 = 1,621.27/x
  3. Step 3: Cross multiply
    4,084.75x = 6,128.57 × 1,621.27
  4. Step 4: Simplify right side
    4,084.75x = 9,936,066.68
  5. Step 5: Solve for x
    x = 9,936,066.68/4,084.75
  6. Step 6: Final answer
    x = 2,432.48

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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.