Home / 4,910.64-6,776.55-2,786.01

Finding the Fourth Proportional to 4,910.64, 6,776.55 and 2,786.01

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Solution

The fourth proportional to 4,910.64, 6,776.55 and 2,786.01 is: 3,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.64 : 6,776.55 = 2,786.01 : x
  2. Step 2: Convert to fraction form
    4,910.64/6,776.55 = 2,786.01/x
  3. Step 3: Cross multiply
    4,910.64x = 6,776.55 × 2,786.01
  4. Step 4: Simplify right side
    4,910.64x = 18,879,536.07
  5. Step 5: Solve for x
    x = 18,879,536.07/4,910.64
  6. Step 6: Final answer
    x = 3,844.62

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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.