Home / 7,409.25-11,110.63-2,213.91

Finding the Fourth Proportional to 7,409.25, 11,110.63 and 2,213.91

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Solution

The fourth proportional to 7,409.25, 11,110.63 and 2,213.91 is: 3,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.25 : 11,110.63 = 2,213.91 : x
  2. Step 2: Convert to fraction form
    7,409.25/11,110.63 = 2,213.91/x
  3. Step 3: Cross multiply
    7,409.25x = 11,110.63 × 2,213.91
  4. Step 4: Simplify right side
    7,409.25x = 24,597,868.24
  5. Step 5: Solve for x
    x = 24,597,868.24/7,409.25
  6. Step 6: Final answer
    x = 3,319.89

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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.