Home / 8,217.60-12,324.12-2,372.64

Finding the Fourth Proportional to 8,217.60, 12,324.12 and 2,372.64

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Solution

The fourth proportional to 8,217.60, 12,324.12 and 2,372.64 is: 3,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.60 : 12,324.12 = 2,372.64 : x
  2. Step 2: Convert to fraction form
    8,217.60/12,324.12 = 2,372.64/x
  3. Step 3: Cross multiply
    8,217.60x = 12,324.12 × 2,372.64
  4. Step 4: Simplify right side
    8,217.60x = 29,240,700.08
  5. Step 5: Solve for x
    x = 29,240,700.08/8,217.60
  6. Step 6: Final answer
    x = 3,558.30

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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.