Home / 6,836.40-10,254.99-2,156.56

Finding the Fourth Proportional to 6,836.40, 10,254.99 and 2,156.56

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Solution

The fourth proportional to 6,836.40, 10,254.99 and 2,156.56 is: 3,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.40 : 10,254.99 = 2,156.56 : x
  2. Step 2: Convert to fraction form
    6,836.40/10,254.99 = 2,156.56/x
  3. Step 3: Cross multiply
    6,836.40x = 10,254.99 × 2,156.56
  4. Step 4: Simplify right side
    6,836.40x = 22,115,501.23
  5. Step 5: Solve for x
    x = 22,115,501.23/6,836.40
  6. Step 6: Final answer
    x = 3,234.96

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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.