Home / 6,443.56-9,664.38-2,060.56

Finding the Fourth Proportional to 6,443.56, 9,664.38 and 2,060.56

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Solution

The fourth proportional to 6,443.56, 9,664.38 and 2,060.56 is: 3,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.56 : 9,664.38 = 2,060.56 : x
  2. Step 2: Convert to fraction form
    6,443.56/9,664.38 = 2,060.56/x
  3. Step 3: Cross multiply
    6,443.56x = 9,664.38 × 2,060.56
  4. Step 4: Simplify right side
    6,443.56x = 19,914,034.85
  5. Step 5: Solve for x
    x = 19,914,034.85/6,443.56
  6. Step 6: Final answer
    x = 3,090.53

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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.