Home / 6,911.35-9,537.30-3,926.77

Finding the Fourth Proportional to 6,911.35, 9,537.30 and 3,926.77

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Solution

The fourth proportional to 6,911.35, 9,537.30 and 3,926.77 is: 5,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.35 : 9,537.30 = 3,926.77 : x
  2. Step 2: Convert to fraction form
    6,911.35/9,537.30 = 3,926.77/x
  3. Step 3: Cross multiply
    6,911.35x = 9,537.30 × 3,926.77
  4. Step 4: Simplify right side
    6,911.35x = 37,450,744.95
  5. Step 5: Solve for x
    x = 37,450,744.95/6,911.35
  6. Step 6: Final answer
    x = 5,418.73

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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.