Home / 4,212.77-6,305.83-2,647.36

Finding the Fourth Proportional to 4,212.77, 6,305.83 and 2,647.36

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Solution

The fourth proportional to 4,212.77, 6,305.83 and 2,647.36 is: 3,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.77 : 6,305.83 = 2,647.36 : x
  2. Step 2: Convert to fraction form
    4,212.77/6,305.83 = 2,647.36/x
  3. Step 3: Cross multiply
    4,212.77x = 6,305.83 × 2,647.36
  4. Step 4: Simplify right side
    4,212.77x = 16,693,794.94
  5. Step 5: Solve for x
    x = 16,693,794.94/4,212.77
  6. Step 6: Final answer
    x = 3,962.66

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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.