Home / 4,167.80-5,743.66-2,986.82

Finding the Fourth Proportional to 4,167.80, 5,743.66 and 2,986.82

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Solution

The fourth proportional to 4,167.80, 5,743.66 and 2,986.82 is: 4,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.80 : 5,743.66 = 2,986.82 : x
  2. Step 2: Convert to fraction form
    4,167.80/5,743.66 = 2,986.82/x
  3. Step 3: Cross multiply
    4,167.80x = 5,743.66 × 2,986.82
  4. Step 4: Simplify right side
    4,167.80x = 17,155,278.56
  5. Step 5: Solve for x
    x = 17,155,278.56/4,167.80
  6. Step 6: Final answer
    x = 4,116.15

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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.