Home / 7,193.80-10,791.42-2,575.72

Finding the Fourth Proportional to 7,193.80, 10,791.42 and 2,575.72

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Solution

The fourth proportional to 7,193.80, 10,791.42 and 2,575.72 is: 3,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.80 : 10,791.42 = 2,575.72 : x
  2. Step 2: Convert to fraction form
    7,193.80/10,791.42 = 2,575.72/x
  3. Step 3: Cross multiply
    7,193.80x = 10,791.42 × 2,575.72
  4. Step 4: Simplify right side
    7,193.80x = 27,795,676.32
  5. Step 5: Solve for x
    x = 27,795,676.32/7,193.80
  6. Step 6: Final answer
    x = 3,863.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.