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Finding the Third Proportional to 4,131 and 6,401.53

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Solution

The third proportional to 4,131 and 6,401.53 is: 9,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131 : 6,401.53 = 6,401.53 : x
  2. Step 2: Convert to fraction form
    4,131/6,401.53 = 6,401.53/x
  3. Step 3: Cross multiply
    4,131x = 6,401.53 × 6,401.53
  4. Step 4: Simplify right side
    4,131x = 40,979,602.34
  5. Step 5: Solve for x
    x = 40,979,602.34/4,131
  6. Step 6: Final answer
    x = 9,920.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.