Home / 5,338.80-7,367.77-3,100.21

Finding the Fourth Proportional to 5,338.80, 7,367.77 and 3,100.21

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Solution

The fourth proportional to 5,338.80, 7,367.77 and 3,100.21 is: 4,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.80 : 7,367.77 = 3,100.21 : x
  2. Step 2: Convert to fraction form
    5,338.80/7,367.77 = 3,100.21/x
  3. Step 3: Cross multiply
    5,338.80x = 7,367.77 × 3,100.21
  4. Step 4: Simplify right side
    5,338.80x = 22,841,634.23
  5. Step 5: Solve for x
    x = 22,841,634.23/5,338.80
  6. Step 6: Final answer
    x = 4,278.42

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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.