Home / 4,121.72-5,685.80-2,627.01

Finding the Fourth Proportional to 4,121.72, 5,685.80 and 2,627.01

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Solution

The fourth proportional to 4,121.72, 5,685.80 and 2,627.01 is: 3,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.72 : 5,685.80 = 2,627.01 : x
  2. Step 2: Convert to fraction form
    4,121.72/5,685.80 = 2,627.01/x
  3. Step 3: Cross multiply
    4,121.72x = 5,685.80 × 2,627.01
  4. Step 4: Simplify right side
    4,121.72x = 14,936,640.32
  5. Step 5: Solve for x
    x = 14,936,640.32/4,121.72
  6. Step 6: Final answer
    x = 3,623.89

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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.