Home / 6,422.82-9,636.96-3,089.46

Finding the Fourth Proportional to 6,422.82, 9,636.96 and 3,089.46

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Solution

The fourth proportional to 6,422.82, 9,636.96 and 3,089.46 is: 4,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.82 : 9,636.96 = 3,089.46 : x
  2. Step 2: Convert to fraction form
    6,422.82/9,636.96 = 3,089.46/x
  3. Step 3: Cross multiply
    6,422.82x = 9,636.96 × 3,089.46
  4. Step 4: Simplify right side
    6,422.82x = 29,773,002.44
  5. Step 5: Solve for x
    x = 29,773,002.44/6,422.82
  6. Step 6: Final answer
    x = 4,635.50

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1.5x scale

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.