Home / 8,451.53-12,672.61-3,457.41

Finding the Fourth Proportional to 8,451.53, 12,672.61 and 3,457.41

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Solution

The fourth proportional to 8,451.53, 12,672.61 and 3,457.41 is: 5,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.53 : 12,672.61 = 3,457.41 : x
  2. Step 2: Convert to fraction form
    8,451.53/12,672.61 = 3,457.41/x
  3. Step 3: Cross multiply
    8,451.53x = 12,672.61 × 3,457.41
  4. Step 4: Simplify right side
    8,451.53x = 43,814,408.54
  5. Step 5: Solve for x
    x = 43,814,408.54/8,451.53
  6. Step 6: Final answer
    x = 5,184.20

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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.