Home / 6,414.75-8,852.36-3,620.79

Finding the Fourth Proportional to 6,414.75, 8,852.36 and 3,620.79

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Solution

The fourth proportional to 6,414.75, 8,852.36 and 3,620.79 is: 4,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.75 : 8,852.36 = 3,620.79 : x
  2. Step 2: Convert to fraction form
    6,414.75/8,852.36 = 3,620.79/x
  3. Step 3: Cross multiply
    6,414.75x = 8,852.36 × 3,620.79
  4. Step 4: Simplify right side
    6,414.75x = 32,052,518.46
  5. Step 5: Solve for x
    x = 32,052,518.46/6,414.75
  6. Step 6: Final answer
    x = 4,996.69

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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.