Home / 4,187.82-6,279.43-2,706.83

Finding the Fourth Proportional to 4,187.82, 6,279.43 and 2,706.83

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Solution

The fourth proportional to 4,187.82, 6,279.43 and 2,706.83 is: 4,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.82 : 6,279.43 = 2,706.83 : x
  2. Step 2: Convert to fraction form
    4,187.82/6,279.43 = 2,706.83/x
  3. Step 3: Cross multiply
    4,187.82x = 6,279.43 × 2,706.83
  4. Step 4: Simplify right side
    4,187.82x = 16,997,349.51
  5. Step 5: Solve for x
    x = 16,997,349.51/4,187.82
  6. Step 6: Final answer
    x = 4,058.76

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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.