Home / 6,938.31-10,408.04-2,008.38

Finding the Fourth Proportional to 6,938.31, 10,408.04 and 2,008.38

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Solution

The fourth proportional to 6,938.31, 10,408.04 and 2,008.38 is: 3,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.31 : 10,408.04 = 2,008.38 : x
  2. Step 2: Convert to fraction form
    6,938.31/10,408.04 = 2,008.38/x
  3. Step 3: Cross multiply
    6,938.31x = 10,408.04 × 2,008.38
  4. Step 4: Simplify right side
    6,938.31x = 20,903,299.38
  5. Step 5: Solve for x
    x = 20,903,299.38/6,938.31
  6. Step 6: Final answer
    x = 3,012.74

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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.