Home / 4,764.34-7,136.52-2,815.48

Finding the Fourth Proportional to 4,764.34, 7,136.52 and 2,815.48

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Solution

The fourth proportional to 4,764.34, 7,136.52 and 2,815.48 is: 4,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.34 : 7,136.52 = 2,815.48 : x
  2. Step 2: Convert to fraction form
    4,764.34/7,136.52 = 2,815.48/x
  3. Step 3: Cross multiply
    4,764.34x = 7,136.52 × 2,815.48
  4. Step 4: Simplify right side
    4,764.34x = 20,092,729.33
  5. Step 5: Solve for x
    x = 20,092,729.33/4,764.34
  6. Step 6: Final answer
    x = 4,217.32

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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.