Home / 8,322.38-12,464.40-4,149.44

Finding the Fourth Proportional to 8,322.38, 12,464.40 and 4,149.44

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Solution

The fourth proportional to 8,322.38, 12,464.40 and 4,149.44 is: 6,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.38 : 12,464.40 = 4,149.44 : x
  2. Step 2: Convert to fraction form
    8,322.38/12,464.40 = 4,149.44/x
  3. Step 3: Cross multiply
    8,322.38x = 12,464.40 × 4,149.44
  4. Step 4: Simplify right side
    8,322.38x = 51,720,279.94
  5. Step 5: Solve for x
    x = 51,720,279.94/8,322.38
  6. Step 6: Final answer
    x = 6,214.60

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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.