Home / 4,189.96-5,776.50-3,479.26

Finding the Fourth Proportional to 4,189.96, 5,776.50 and 3,479.26

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Solution

The fourth proportional to 4,189.96, 5,776.50 and 3,479.26 is: 4,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.96 : 5,776.50 = 3,479.26 : x
  2. Step 2: Convert to fraction form
    4,189.96/5,776.50 = 3,479.26/x
  3. Step 3: Cross multiply
    4,189.96x = 5,776.50 × 3,479.26
  4. Step 4: Simplify right side
    4,189.96x = 20,097,945.39
  5. Step 5: Solve for x
    x = 20,097,945.39/4,189.96
  6. Step 6: Final answer
    x = 4,796.69

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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.