Home / 6,821.64-10,232.60-2,141.56

Finding the Fourth Proportional to 6,821.64, 10,232.60 and 2,141.56

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Solution

The fourth proportional to 6,821.64, 10,232.60 and 2,141.56 is: 3,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.64 : 10,232.60 = 2,141.56 : x
  2. Step 2: Convert to fraction form
    6,821.64/10,232.60 = 2,141.56/x
  3. Step 3: Cross multiply
    6,821.64x = 10,232.60 × 2,141.56
  4. Step 4: Simplify right side
    6,821.64x = 21,913,726.86
  5. Step 5: Solve for x
    x = 21,913,726.86/6,821.64
  6. Step 6: Final answer
    x = 3,212.38

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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.