Home / 6,127.10-8,453.85-3,608.30

Finding the Fourth Proportional to 6,127.10, 8,453.85 and 3,608.30

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Solution

The fourth proportional to 6,127.10, 8,453.85 and 3,608.30 is: 4,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.10 : 8,453.85 = 3,608.30 : x
  2. Step 2: Convert to fraction form
    6,127.10/8,453.85 = 3,608.30/x
  3. Step 3: Cross multiply
    6,127.10x = 8,453.85 × 3,608.30
  4. Step 4: Simplify right side
    6,127.10x = 30,504,026.96
  5. Step 5: Solve for x
    x = 30,504,026.96/6,127.10
  6. Step 6: Final answer
    x = 4,978.54

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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.