Home / 6,540.22-9,807.90-2,156.50

Finding the Fourth Proportional to 6,540.22, 9,807.90 and 2,156.50

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Solution

The fourth proportional to 6,540.22, 9,807.90 and 2,156.50 is: 3,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.22 : 9,807.90 = 2,156.50 : x
  2. Step 2: Convert to fraction form
    6,540.22/9,807.90 = 2,156.50/x
  3. Step 3: Cross multiply
    6,540.22x = 9,807.90 × 2,156.50
  4. Step 4: Simplify right side
    6,540.22x = 21,150,736.35
  5. Step 5: Solve for x
    x = 21,150,736.35/6,540.22
  6. Step 6: Final answer
    x = 3,233.95

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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.