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Finding the Fourth Proportional to 10,625, 15,940.06 and 3,329

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Solution

The fourth proportional to 10,625, 15,940.06 and 3,329 is: 4,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625 : 15,940.06 = 3,329 : x
  2. Step 2: Convert to fraction form
    10,625/15,940.06 = 3,329/x
  3. Step 3: Cross multiply
    10,625x = 15,940.06 × 3,329
  4. Step 4: Simplify right side
    10,625x = 53,064,459.74
  5. Step 5: Solve for x
    x = 53,064,459.74/10,625
  6. Step 6: Final answer
    x = 4,994.30

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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.