Home / 7,950.14-11,922.90-3,206.30

Finding the Fourth Proportional to 7,950.14, 11,922.90 and 3,206.30

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Solution

The fourth proportional to 7,950.14, 11,922.90 and 3,206.30 is: 4,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.14 : 11,922.90 = 3,206.30 : x
  2. Step 2: Convert to fraction form
    7,950.14/11,922.90 = 3,206.30/x
  3. Step 3: Cross multiply
    7,950.14x = 11,922.90 × 3,206.30
  4. Step 4: Simplify right side
    7,950.14x = 38,228,394.27
  5. Step 5: Solve for x
    x = 38,228,394.27/7,950.14
  6. Step 6: Final answer
    x = 4,808.52

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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.