Home / 5,299.68-7,949.28-2,180.88

Finding the Fourth Proportional to 5,299.68, 7,949.28 and 2,180.88

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Solution

The fourth proportional to 5,299.68, 7,949.28 and 2,180.88 is: 3,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.68 : 7,949.28 = 2,180.88 : x
  2. Step 2: Convert to fraction form
    5,299.68/7,949.28 = 2,180.88/x
  3. Step 3: Cross multiply
    5,299.68x = 7,949.28 × 2,180.88
  4. Step 4: Simplify right side
    5,299.68x = 17,336,425.77
  5. Step 5: Solve for x
    x = 17,336,425.77/5,299.68
  6. Step 6: Final answer
    x = 3,271.22

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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.