Home / 7,965.50-11,948.24-3,288.14

Finding the Fourth Proportional to 7,965.50, 11,948.24 and 3,288.14

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Solution

The fourth proportional to 7,965.50, 11,948.24 and 3,288.14 is: 4,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.50 : 11,948.24 = 3,288.14 : x
  2. Step 2: Convert to fraction form
    7,965.50/11,948.24 = 3,288.14/x
  3. Step 3: Cross multiply
    7,965.50x = 11,948.24 × 3,288.14
  4. Step 4: Simplify right side
    7,965.50x = 39,287,485.87
  5. Step 5: Solve for x
    x = 39,287,485.87/7,965.50
  6. Step 6: Final answer
    x = 4,932.21

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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.