Home / 5,645.54-7,791.06-3,127.59

Finding the Fourth Proportional to 5,645.54, 7,791.06 and 3,127.59

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Solution

The fourth proportional to 5,645.54, 7,791.06 and 3,127.59 is: 4,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.54 : 7,791.06 = 3,127.59 : x
  2. Step 2: Convert to fraction form
    5,645.54/7,791.06 = 3,127.59/x
  3. Step 3: Cross multiply
    5,645.54x = 7,791.06 × 3,127.59
  4. Step 4: Simplify right side
    5,645.54x = 24,367,241.35
  5. Step 5: Solve for x
    x = 24,367,241.35/5,645.54
  6. Step 6: Final answer
    x = 4,316.20

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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.