Home / 4,274.36-6,412.89-2,628.63

Finding the Fourth Proportional to 4,274.36, 6,412.89 and 2,628.63

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Solution

The fourth proportional to 4,274.36, 6,412.89 and 2,628.63 is: 3,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.36 : 6,412.89 = 2,628.63 : x
  2. Step 2: Convert to fraction form
    4,274.36/6,412.89 = 2,628.63/x
  3. Step 3: Cross multiply
    4,274.36x = 6,412.89 × 2,628.63
  4. Step 4: Simplify right side
    4,274.36x = 16,857,115.04
  5. Step 5: Solve for x
    x = 16,857,115.04/4,274.36
  6. Step 6: Final answer
    x = 3,943.78

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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.