Home / 4,252.12-6,346.97-3,939.00

Finding the Fourth Proportional to 4,252.12, 6,346.97 and 3,939.00

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Solution

The fourth proportional to 4,252.12, 6,346.97 and 3,939.00 is: 5,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.12 : 6,346.97 = 3,939.00 : x
  2. Step 2: Convert to fraction form
    4,252.12/6,346.97 = 3,939.00/x
  3. Step 3: Cross multiply
    4,252.12x = 6,346.97 × 3,939.00
  4. Step 4: Simplify right side
    4,252.12x = 25,000,740.54
  5. Step 5: Solve for x
    x = 25,000,740.54/4,252.12
  6. Step 6: Final answer
    x = 5,879.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.