Home / 4,072.42-6,108.53-1,299.26

Finding the Fourth Proportional to 4,072.42, 6,108.53 and 1,299.26

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Solution

The fourth proportional to 4,072.42, 6,108.53 and 1,299.26 is: 1,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.42 : 6,108.53 = 1,299.26 : x
  2. Step 2: Convert to fraction form
    4,072.42/6,108.53 = 1,299.26/x
  3. Step 3: Cross multiply
    4,072.42x = 6,108.53 × 1,299.26
  4. Step 4: Simplify right side
    4,072.42x = 7,936,577.46
  5. Step 5: Solve for x
    x = 7,936,577.46/4,072.42
  6. Step 6: Final answer
    x = 1,948.86

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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.