Home / 8,408.06-12,612.10-3,472.28

Finding the Fourth Proportional to 8,408.06, 12,612.10 and 3,472.28

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Solution

The fourth proportional to 8,408.06, 12,612.10 and 3,472.28 is: 5,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.06 : 12,612.10 = 3,472.28 : x
  2. Step 2: Convert to fraction form
    8,408.06/12,612.10 = 3,472.28/x
  3. Step 3: Cross multiply
    8,408.06x = 12,612.10 × 3,472.28
  4. Step 4: Simplify right side
    8,408.06x = 43,792,742.59
  5. Step 5: Solve for x
    x = 43,792,742.59/8,408.06
  6. Step 6: Final answer
    x = 5,208.42

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Similar ratio
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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.