Home / 6,562.70-9,845.31-2,121.56

Finding the Fourth Proportional to 6,562.70, 9,845.31 and 2,121.56

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Solution

The fourth proportional to 6,562.70, 9,845.31 and 2,121.56 is: 3,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562.70 : 9,845.31 = 2,121.56 : x
  2. Step 2: Convert to fraction form
    6,562.70/9,845.31 = 2,121.56/x
  3. Step 3: Cross multiply
    6,562.70x = 9,845.31 × 2,121.56
  4. Step 4: Simplify right side
    6,562.70x = 20,887,366.66
  5. Step 5: Solve for x
    x = 20,887,366.66/6,562.70
  6. Step 6: Final answer
    x = 3,182.74

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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.