Home / 6,414.56-8,852.76-3,620.96

Finding the Fourth Proportional to 6,414.56, 8,852.76 and 3,620.96

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Solution

The fourth proportional to 6,414.56, 8,852.76 and 3,620.96 is: 4,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.56 : 8,852.76 = 3,620.96 : x
  2. Step 2: Convert to fraction form
    6,414.56/8,852.76 = 3,620.96/x
  3. Step 3: Cross multiply
    6,414.56x = 8,852.76 × 3,620.96
  4. Step 4: Simplify right side
    6,414.56x = 32,055,489.85
  5. Step 5: Solve for x
    x = 32,055,489.85/6,414.56
  6. Step 6: Final answer
    x = 4,997.30

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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.