Home / 6,339.85-9,511.33-2,179.92

Finding the Fourth Proportional to 6,339.85, 9,511.33 and 2,179.92

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Solution

The fourth proportional to 6,339.85, 9,511.33 and 2,179.92 is: 3,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.85 : 9,511.33 = 2,179.92 : x
  2. Step 2: Convert to fraction form
    6,339.85/9,511.33 = 2,179.92/x
  3. Step 3: Cross multiply
    6,339.85x = 9,511.33 × 2,179.92
  4. Step 4: Simplify right side
    6,339.85x = 20,733,938.49
  5. Step 5: Solve for x
    x = 20,733,938.49/6,339.85
  6. Step 6: Final answer
    x = 3,270.41

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1.5x scale

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.