Home / 7,450.75-11,159.11-3,557.89

Finding the Fourth Proportional to 7,450.75, 11,159.11 and 3,557.89

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Solution

The fourth proportional to 7,450.75, 11,159.11 and 3,557.89 is: 5,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.75 : 11,159.11 = 3,557.89 : x
  2. Step 2: Convert to fraction form
    7,450.75/11,159.11 = 3,557.89/x
  3. Step 3: Cross multiply
    7,450.75x = 11,159.11 × 3,557.89
  4. Step 4: Simplify right side
    7,450.75x = 39,702,885.88
  5. Step 5: Solve for x
    x = 39,702,885.88/7,450.75
  6. Step 6: Final answer
    x = 5,328.71

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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.