Home / 6,405.72-9,609.88-2,707.94

Finding the Fourth Proportional to 6,405.72, 9,609.88 and 2,707.94

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Solution

The fourth proportional to 6,405.72, 9,609.88 and 2,707.94 is: 4,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.72 : 9,609.88 = 2,707.94 : x
  2. Step 2: Convert to fraction form
    6,405.72/9,609.88 = 2,707.94/x
  3. Step 3: Cross multiply
    6,405.72x = 9,609.88 × 2,707.94
  4. Step 4: Simplify right side
    6,405.72x = 26,022,978.45
  5. Step 5: Solve for x
    x = 26,022,978.45/6,405.72
  6. Step 6: Final answer
    x = 4,062.46

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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.