Home / 7,104.24-10,661.82-3,211.40

Finding the Fourth Proportional to 7,104.24, 10,661.82 and 3,211.40

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Solution

The fourth proportional to 7,104.24, 10,661.82 and 3,211.40 is: 4,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.24 : 10,661.82 = 3,211.40 : x
  2. Step 2: Convert to fraction form
    7,104.24/10,661.82 = 3,211.40/x
  3. Step 3: Cross multiply
    7,104.24x = 10,661.82 × 3,211.40
  4. Step 4: Simplify right side
    7,104.24x = 34,239,368.75
  5. Step 5: Solve for x
    x = 34,239,368.75/7,104.24
  6. Step 6: Final answer
    x = 4,819.57

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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.