Home / 4,340.34-6,511.32-2,143.62

Finding the Fourth Proportional to 4,340.34, 6,511.32 and 2,143.62

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Solution

The fourth proportional to 4,340.34, 6,511.32 and 2,143.62 is: 3,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.34 : 6,511.32 = 2,143.62 : x
  2. Step 2: Convert to fraction form
    4,340.34/6,511.32 = 2,143.62/x
  3. Step 3: Cross multiply
    4,340.34x = 6,511.32 × 2,143.62
  4. Step 4: Simplify right side
    4,340.34x = 13,957,795.78
  5. Step 5: Solve for x
    x = 13,957,795.78/4,340.34
  6. Step 6: Final answer
    x = 3,215.83

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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.