Home / 6,405.72-9,610.44-2,706

Finding the Fourth Proportional to 6,405.72, 9,610.44 and 2,706

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Solution

The fourth proportional to 6,405.72, 9,610.44 and 2,706 is: 4,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.72 : 9,610.44 = 2,706 : x
  2. Step 2: Convert to fraction form
    6,405.72/9,610.44 = 2,706/x
  3. Step 3: Cross multiply
    6,405.72x = 9,610.44 × 2,706
  4. Step 4: Simplify right side
    6,405.72x = 26,005,850.64
  5. Step 5: Solve for x
    x = 26,005,850.64/6,405.72
  6. Step 6: Final answer
    x = 4,059.79

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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.