Home / 5,165.21-7,125.39-3,276.29

Finding the Fourth Proportional to 5,165.21, 7,125.39 and 3,276.29

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Solution

The fourth proportional to 5,165.21, 7,125.39 and 3,276.29 is: 4,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.21 : 7,125.39 = 3,276.29 : x
  2. Step 2: Convert to fraction form
    5,165.21/7,125.39 = 3,276.29/x
  3. Step 3: Cross multiply
    5,165.21x = 7,125.39 × 3,276.29
  4. Step 4: Simplify right side
    5,165.21x = 23,344,861.82
  5. Step 5: Solve for x
    x = 23,344,861.82/5,165.21
  6. Step 6: Final answer
    x = 4,519.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.