Home / 6,938.12-10,408.62-2,321

Finding the Fourth Proportional to 6,938.12, 10,408.62 and 2,321

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Solution

The fourth proportional to 6,938.12, 10,408.62 and 2,321 is: 3,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.12 : 10,408.62 = 2,321 : x
  2. Step 2: Convert to fraction form
    6,938.12/10,408.62 = 2,321/x
  3. Step 3: Cross multiply
    6,938.12x = 10,408.62 × 2,321
  4. Step 4: Simplify right side
    6,938.12x = 24,158,407.02
  5. Step 5: Solve for x
    x = 24,158,407.02/6,938.12
  6. Step 6: Final answer
    x = 3,481.98

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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.