Home / 4,091.22-6,139.26-1,627.20

Finding the Fourth Proportional to 4,091.22, 6,139.26 and 1,627.20

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Solution

The fourth proportional to 4,091.22, 6,139.26 and 1,627.20 is: 2,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.22 : 6,139.26 = 1,627.20 : x
  2. Step 2: Convert to fraction form
    4,091.22/6,139.26 = 1,627.20/x
  3. Step 3: Cross multiply
    4,091.22x = 6,139.26 × 1,627.20
  4. Step 4: Simplify right side
    4,091.22x = 9,989,803.87
  5. Step 5: Solve for x
    x = 9,989,803.87/4,091.22
  6. Step 6: Final answer
    x = 2,441.77

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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.