Home / 5,320.14-7,976.82-2,546.76

Finding the Fourth Proportional to 5,320.14, 7,976.82 and 2,546.76

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Solution

The fourth proportional to 5,320.14, 7,976.82 and 2,546.76 is: 3,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.14 : 7,976.82 = 2,546.76 : x
  2. Step 2: Convert to fraction form
    5,320.14/7,976.82 = 2,546.76/x
  3. Step 3: Cross multiply
    5,320.14x = 7,976.82 × 2,546.76
  4. Step 4: Simplify right side
    5,320.14x = 20,315,046.10
  5. Step 5: Solve for x
    x = 20,315,046.10/5,320.14
  6. Step 6: Final answer
    x = 3,818.52

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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.