Home / 7,885.12-11,834.97-3,992.26

Finding the Fourth Proportional to 7,885.12, 11,834.97 and 3,992.26

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Solution

The fourth proportional to 7,885.12, 11,834.97 and 3,992.26 is: 5,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.12 : 11,834.97 = 3,992.26 : x
  2. Step 2: Convert to fraction form
    7,885.12/11,834.97 = 3,992.26/x
  3. Step 3: Cross multiply
    7,885.12x = 11,834.97 × 3,992.26
  4. Step 4: Simplify right side
    7,885.12x = 47,248,277.33
  5. Step 5: Solve for x
    x = 47,248,277.33/7,885.12
  6. Step 6: Final answer
    x = 5,992.08

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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.