Home / 4,918.01-6,786.93-2,679.89

Finding the Fourth Proportional to 4,918.01, 6,786.93 and 2,679.89

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Solution

The fourth proportional to 4,918.01, 6,786.93 and 2,679.89 is: 3,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.01 : 6,786.93 = 2,679.89 : x
  2. Step 2: Convert to fraction form
    4,918.01/6,786.93 = 2,679.89/x
  3. Step 3: Cross multiply
    4,918.01x = 6,786.93 × 2,679.89
  4. Step 4: Simplify right side
    4,918.01x = 18,188,191.90
  5. Step 5: Solve for x
    x = 18,188,191.90/4,918.01
  6. Step 6: Final answer
    x = 3,698.28

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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.