Home / 4,138.69-6,203.88-2,055.49

Finding the Fourth Proportional to 4,138.69, 6,203.88 and 2,055.49

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Solution

The fourth proportional to 4,138.69, 6,203.88 and 2,055.49 is: 3,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.69 : 6,203.88 = 2,055.49 : x
  2. Step 2: Convert to fraction form
    4,138.69/6,203.88 = 2,055.49/x
  3. Step 3: Cross multiply
    4,138.69x = 6,203.88 × 2,055.49
  4. Step 4: Simplify right side
    4,138.69x = 12,752,013.30
  5. Step 5: Solve for x
    x = 12,752,013.30/4,138.69
  6. Step 6: Final answer
    x = 3,081.17

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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.