Home / 4,328.42-6,493.01-3,172.80

Finding the Fourth Proportional to 4,328.42, 6,493.01 and 3,172.80

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Solution

The fourth proportional to 4,328.42, 6,493.01 and 3,172.80 is: 4,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.42 : 6,493.01 = 3,172.80 : x
  2. Step 2: Convert to fraction form
    4,328.42/6,493.01 = 3,172.80/x
  3. Step 3: Cross multiply
    4,328.42x = 6,493.01 × 3,172.80
  4. Step 4: Simplify right side
    4,328.42x = 20,601,006.26
  5. Step 5: Solve for x
    x = 20,601,006.26/4,328.42
  6. Step 6: Final answer
    x = 4,759.48

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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.