Home / 4,447.26-6,139.44-2,769.21

Finding the Fourth Proportional to 4,447.26, 6,139.44 and 2,769.21

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Solution

The fourth proportional to 4,447.26, 6,139.44 and 2,769.21 is: 3,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.26 : 6,139.44 = 2,769.21 : x
  2. Step 2: Convert to fraction form
    4,447.26/6,139.44 = 2,769.21/x
  3. Step 3: Cross multiply
    4,447.26x = 6,139.44 × 2,769.21
  4. Step 4: Simplify right side
    4,447.26x = 17,001,398.64
  5. Step 5: Solve for x
    x = 17,001,398.64/4,447.26
  6. Step 6: Final answer
    x = 3,822.89

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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.