Home / 8,165.48-12,251.64-4,272.44

Finding the Fourth Proportional to 8,165.48, 12,251.64 and 4,272.44

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Solution

The fourth proportional to 8,165.48, 12,251.64 and 4,272.44 is: 6,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.48 : 12,251.64 = 4,272.44 : x
  2. Step 2: Convert to fraction form
    8,165.48/12,251.64 = 4,272.44/x
  3. Step 3: Cross multiply
    8,165.48x = 12,251.64 × 4,272.44
  4. Step 4: Simplify right side
    8,165.48x = 52,344,396.80
  5. Step 5: Solve for x
    x = 52,344,396.80/8,165.48
  6. Step 6: Final answer
    x = 6,410.45

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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.