Home / 4,806.28-7,209.65-1,519.64

Finding the Fourth Proportional to 4,806.28, 7,209.65 and 1,519.64

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Solution

The fourth proportional to 4,806.28, 7,209.65 and 1,519.64 is: 2,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.28 : 7,209.65 = 1,519.64 : x
  2. Step 2: Convert to fraction form
    4,806.28/7,209.65 = 1,519.64/x
  3. Step 3: Cross multiply
    4,806.28x = 7,209.65 × 1,519.64
  4. Step 4: Simplify right side
    4,806.28x = 10,956,072.53
  5. Step 5: Solve for x
    x = 10,956,072.53/4,806.28
  6. Step 6: Final answer
    x = 2,279.53

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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.