Home / 7,950.42-11,921.63-3,269.12

Finding the Fourth Proportional to 7,950.42, 11,921.63 and 3,269.12

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Solution

The fourth proportional to 7,950.42, 11,921.63 and 3,269.12 is: 4,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.42 : 11,921.63 = 3,269.12 : x
  2. Step 2: Convert to fraction form
    7,950.42/11,921.63 = 3,269.12/x
  3. Step 3: Cross multiply
    7,950.42x = 11,921.63 × 3,269.12
  4. Step 4: Simplify right side
    7,950.42x = 38,973,252.52
  5. Step 5: Solve for x
    x = 38,973,252.52/7,950.42
  6. Step 6: Final answer
    x = 4,902.04

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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.