Home / 4,287.38-6,425.94-2,208.38

Finding the Fourth Proportional to 4,287.38, 6,425.94 and 2,208.38

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Solution

The fourth proportional to 4,287.38, 6,425.94 and 2,208.38 is: 3,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.38 : 6,425.94 = 2,208.38 : x
  2. Step 2: Convert to fraction form
    4,287.38/6,425.94 = 2,208.38/x
  3. Step 3: Cross multiply
    4,287.38x = 6,425.94 × 2,208.38
  4. Step 4: Simplify right side
    4,287.38x = 14,190,917.38
  5. Step 5: Solve for x
    x = 14,190,917.38/4,287.38
  6. Step 6: Final answer
    x = 3,309.93

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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.