Home / 7,323.72-10,989.68-3,624.95

Finding the Fourth Proportional to 7,323.72, 10,989.68 and 3,624.95

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Solution

The fourth proportional to 7,323.72, 10,989.68 and 3,624.95 is: 5,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.72 : 10,989.68 = 3,624.95 : x
  2. Step 2: Convert to fraction form
    7,323.72/10,989.68 = 3,624.95/x
  3. Step 3: Cross multiply
    7,323.72x = 10,989.68 × 3,624.95
  4. Step 4: Simplify right side
    7,323.72x = 39,837,049.87
  5. Step 5: Solve for x
    x = 39,837,049.87/7,323.72
  6. Step 6: Final answer
    x = 5,439.46

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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.