Home / 7,217.46-10,810.56-3,511.92

Finding the Fourth Proportional to 7,217.46, 10,810.56 and 3,511.92

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Solution

The fourth proportional to 7,217.46, 10,810.56 and 3,511.92 is: 5,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.46 : 10,810.56 = 3,511.92 : x
  2. Step 2: Convert to fraction form
    7,217.46/10,810.56 = 3,511.92/x
  3. Step 3: Cross multiply
    7,217.46x = 10,810.56 × 3,511.92
  4. Step 4: Simplify right side
    7,217.46x = 37,965,821.88
  5. Step 5: Solve for x
    x = 37,965,821.88/7,217.46
  6. Step 6: Final answer
    x = 5,260.27

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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.