Home / 4,277.28-5,918.82-3,646.80

Finding the Fourth Proportional to 4,277.28, 5,918.82 and 3,646.80

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Solution

The fourth proportional to 4,277.28, 5,918.82 and 3,646.80 is: 5,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.28 : 5,918.82 = 3,646.80 : x
  2. Step 2: Convert to fraction form
    4,277.28/5,918.82 = 3,646.80/x
  3. Step 3: Cross multiply
    4,277.28x = 5,918.82 × 3,646.80
  4. Step 4: Simplify right side
    4,277.28x = 21,584,752.78
  5. Step 5: Solve for x
    x = 21,584,752.78/4,277.28
  6. Step 6: Final answer
    x = 5,046.37

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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.