Home / 4,806.19-7,209.69-1,519.21

Finding the Fourth Proportional to 4,806.19, 7,209.69 and 1,519.21

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Solution

The fourth proportional to 4,806.19, 7,209.69 and 1,519.21 is: 2,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.19 : 7,209.69 = 1,519.21 : x
  2. Step 2: Convert to fraction form
    4,806.19/7,209.69 = 1,519.21/x
  3. Step 3: Cross multiply
    4,806.19x = 7,209.69 × 1,519.21
  4. Step 4: Simplify right side
    4,806.19x = 10,953,033.14
  5. Step 5: Solve for x
    x = 10,953,033.14/4,806.19
  6. Step 6: Final answer
    x = 2,278.94

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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.