Home / 6,340.23-9,511.89-2,180.30

Finding the Fourth Proportional to 6,340.23, 9,511.89 and 2,180.30

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Solution

The fourth proportional to 6,340.23, 9,511.89 and 2,180.30 is: 3,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.23 : 9,511.89 = 2,180.30 : x
  2. Step 2: Convert to fraction form
    6,340.23/9,511.89 = 2,180.30/x
  3. Step 3: Cross multiply
    6,340.23x = 9,511.89 × 2,180.30
  4. Step 4: Simplify right side
    6,340.23x = 20,738,726.21
  5. Step 5: Solve for x
    x = 20,738,726.21/6,340.23
  6. Step 6: Final answer
    x = 3,270.97

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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.