Home / 6,405.28-9,608.40-2,022.96

Finding the Fourth Proportional to 6,405.28, 9,608.40 and 2,022.96

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Solution

The fourth proportional to 6,405.28, 9,608.40 and 2,022.96 is: 3,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.28 : 9,608.40 = 2,022.96 : x
  2. Step 2: Convert to fraction form
    6,405.28/9,608.40 = 2,022.96/x
  3. Step 3: Cross multiply
    6,405.28x = 9,608.40 × 2,022.96
  4. Step 4: Simplify right side
    6,405.28x = 19,437,408.86
  5. Step 5: Solve for x
    x = 19,437,408.86/6,405.28
  6. Step 6: Final answer
    x = 3,034.59

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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.