Home / 4,918.29-6,786.99-2,680.03

Finding the Fourth Proportional to 4,918.29, 6,786.99 and 2,680.03

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Solution

The fourth proportional to 4,918.29, 6,786.99 and 2,680.03 is: 3,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.29 : 6,786.99 = 2,680.03 : x
  2. Step 2: Convert to fraction form
    4,918.29/6,786.99 = 2,680.03/x
  3. Step 3: Cross multiply
    4,918.29x = 6,786.99 × 2,680.03
  4. Step 4: Simplify right side
    4,918.29x = 18,189,345.29
  5. Step 5: Solve for x
    x = 18,189,345.29/4,918.29
  6. Step 6: Final answer
    x = 3,698.31

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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.