Home / 6,408.79-9,614.21-2,459.88

Finding the Fourth Proportional to 6,408.79, 9,614.21 and 2,459.88

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Solution

The fourth proportional to 6,408.79, 9,614.21 and 2,459.88 is: 3,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.79 : 9,614.21 = 2,459.88 : x
  2. Step 2: Convert to fraction form
    6,408.79/9,614.21 = 2,459.88/x
  3. Step 3: Cross multiply
    6,408.79x = 9,614.21 × 2,459.88
  4. Step 4: Simplify right side
    6,408.79x = 23,649,790.60
  5. Step 5: Solve for x
    x = 23,649,790.60/6,408.79
  6. Step 6: Final answer
    x = 3,690.21

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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.