Home / 6,408.62-9,612.45-3,079.25

Finding the Fourth Proportional to 6,408.62, 9,612.45 and 3,079.25

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Solution

The fourth proportional to 6,408.62, 9,612.45 and 3,079.25 is: 4,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.62 : 9,612.45 = 3,079.25 : x
  2. Step 2: Convert to fraction form
    6,408.62/9,612.45 = 3,079.25/x
  3. Step 3: Cross multiply
    6,408.62x = 9,612.45 × 3,079.25
  4. Step 4: Simplify right side
    6,408.62x = 29,599,136.66
  5. Step 5: Solve for x
    x = 29,599,136.66/6,408.62
  6. Step 6: Final answer
    x = 4,618.64

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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.