Home / 9,150.45-13,715.95-3,603.03

Finding the Fourth Proportional to 9,150.45, 13,715.95 and 3,603.03

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Solution

The fourth proportional to 9,150.45, 13,715.95 and 3,603.03 is: 5,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.45 : 13,715.95 = 3,603.03 : x
  2. Step 2: Convert to fraction form
    9,150.45/13,715.95 = 3,603.03/x
  3. Step 3: Cross multiply
    9,150.45x = 13,715.95 × 3,603.03
  4. Step 4: Simplify right side
    9,150.45x = 49,418,910.75
  5. Step 5: Solve for x
    x = 49,418,910.75/9,150.45
  6. Step 6: Final answer
    x = 5,400.71

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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.