Home / 4,519.68-6,780.24-2,211.36

Finding the Fourth Proportional to 4,519.68, 6,780.24 and 2,211.36

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Solution

The fourth proportional to 4,519.68, 6,780.24 and 2,211.36 is: 3,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.68 : 6,780.24 = 2,211.36 : x
  2. Step 2: Convert to fraction form
    4,519.68/6,780.24 = 2,211.36/x
  3. Step 3: Cross multiply
    4,519.68x = 6,780.24 × 2,211.36
  4. Step 4: Simplify right side
    4,519.68x = 14,993,551.53
  5. Step 5: Solve for x
    x = 14,993,551.53/4,519.68
  6. Step 6: Final answer
    x = 3,317.39

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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.