Home / 4,780.42-7,170.66-1,448.69

Finding the Fourth Proportional to 4,780.42, 7,170.66 and 1,448.69

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Solution

The fourth proportional to 4,780.42, 7,170.66 and 1,448.69 is: 2,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.42 : 7,170.66 = 1,448.69 : x
  2. Step 2: Convert to fraction form
    4,780.42/7,170.66 = 1,448.69/x
  3. Step 3: Cross multiply
    4,780.42x = 7,170.66 × 1,448.69
  4. Step 4: Simplify right side
    4,780.42x = 10,388,027.58
  5. Step 5: Solve for x
    x = 10,388,027.58/4,780.42
  6. Step 6: Final answer
    x = 2,173.04

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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.