Home / 7,704.40-11,557.14-3,322.12

Finding the Fourth Proportional to 7,704.40, 11,557.14 and 3,322.12

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Solution

The fourth proportional to 7,704.40, 11,557.14 and 3,322.12 is: 4,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.40 : 11,557.14 = 3,322.12 : x
  2. Step 2: Convert to fraction form
    7,704.40/11,557.14 = 3,322.12/x
  3. Step 3: Cross multiply
    7,704.40x = 11,557.14 × 3,322.12
  4. Step 4: Simplify right side
    7,704.40x = 38,394,205.94
  5. Step 5: Solve for x
    x = 38,394,205.94/7,704.40
  6. Step 6: Final answer
    x = 4,983.41

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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.