Home / 4,711.42-7,067.05-1,424.54

Finding the Fourth Proportional to 4,711.42, 7,067.05 and 1,424.54

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Solution

The fourth proportional to 4,711.42, 7,067.05 and 1,424.54 is: 2,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.42 : 7,067.05 = 1,424.54 : x
  2. Step 2: Convert to fraction form
    4,711.42/7,067.05 = 1,424.54/x
  3. Step 3: Cross multiply
    4,711.42x = 7,067.05 × 1,424.54
  4. Step 4: Simplify right side
    4,711.42x = 10,067,269.76
  5. Step 5: Solve for x
    x = 10,067,269.76/4,711.42
  6. Step 6: Final answer
    x = 2,136.78

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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.