Home / 6,408.24-9,613.16-3,118.56

Finding the Fourth Proportional to 6,408.24, 9,613.16 and 3,118.56

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Solution

The fourth proportional to 6,408.24, 9,613.16 and 3,118.56 is: 4,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.24 : 9,613.16 = 3,118.56 : x
  2. Step 2: Convert to fraction form
    6,408.24/9,613.16 = 3,118.56/x
  3. Step 3: Cross multiply
    6,408.24x = 9,613.16 × 3,118.56
  4. Step 4: Simplify right side
    6,408.24x = 29,979,216.25
  5. Step 5: Solve for x
    x = 29,979,216.25/6,408.24
  6. Step 6: Final answer
    x = 4,678.23

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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.