Home / 5,165.26-7,120.77-3,672.62

Finding the Fourth Proportional to 5,165.26, 7,120.77 and 3,672.62

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Solution

The fourth proportional to 5,165.26, 7,120.77 and 3,672.62 is: 5,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.26 : 7,120.77 = 3,672.62 : x
  2. Step 2: Convert to fraction form
    5,165.26/7,120.77 = 3,672.62/x
  3. Step 3: Cross multiply
    5,165.26x = 7,120.77 × 3,672.62
  4. Step 4: Simplify right side
    5,165.26x = 26,151,882.32
  5. Step 5: Solve for x
    x = 26,151,882.32/5,165.26
  6. Step 6: Final answer
    x = 5,063.03

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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.