Home / 4,910.56-6,776.82-2,814.68

Finding the Fourth Proportional to 4,910.56, 6,776.82 and 2,814.68

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Solution

The fourth proportional to 4,910.56, 6,776.82 and 2,814.68 is: 3,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.56 : 6,776.82 = 2,814.68 : x
  2. Step 2: Convert to fraction form
    4,910.56/6,776.82 = 2,814.68/x
  3. Step 3: Cross multiply
    4,910.56x = 6,776.82 × 2,814.68
  4. Step 4: Simplify right side
    4,910.56x = 19,074,579.72
  5. Step 5: Solve for x
    x = 19,074,579.72/4,910.56
  6. Step 6: Final answer
    x = 3,884.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.