Home / 5,276.40-7,910.68-3,195.91

Finding the Fourth Proportional to 5,276.40, 7,910.68 and 3,195.91

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Solution

The fourth proportional to 5,276.40, 7,910.68 and 3,195.91 is: 4,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.40 : 7,910.68 = 3,195.91 : x
  2. Step 2: Convert to fraction form
    5,276.40/7,910.68 = 3,195.91/x
  3. Step 3: Cross multiply
    5,276.40x = 7,910.68 × 3,195.91
  4. Step 4: Simplify right side
    5,276.40x = 25,281,821.32
  5. Step 5: Solve for x
    x = 25,281,821.32/5,276.40
  6. Step 6: Final answer
    x = 4,791.49

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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.