Home / 4,127.49-6,189.75-3,251.79

Finding the Fourth Proportional to 4,127.49, 6,189.75 and 3,251.79

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Solution

The fourth proportional to 4,127.49, 6,189.75 and 3,251.79 is: 4,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.49 : 6,189.75 = 3,251.79 : x
  2. Step 2: Convert to fraction form
    4,127.49/6,189.75 = 3,251.79/x
  3. Step 3: Cross multiply
    4,127.49x = 6,189.75 × 3,251.79
  4. Step 4: Simplify right side
    4,127.49x = 20,127,767.15
  5. Step 5: Solve for x
    x = 20,127,767.15/4,127.49
  6. Step 6: Final answer
    x = 4,876.52

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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.