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Finding the Fourth Proportional to 6,892.79, 10,332.99 and 2,729.99

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Solution

The fourth proportional to 6,892.79, 10,332.99 and 2,729.99 is: 4,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.79 : 10,332.99 = 2,729.99 : x
  2. Step 2: Convert to fraction form
    6,892.79/10,332.99 = 2,729.99/x
  3. Step 3: Cross multiply
    6,892.79x = 10,332.99 × 2,729.99
  4. Step 4: Simplify right side
    6,892.79x = 28,208,907.71
  5. Step 5: Solve for x
    x = 28,208,907.71/6,892.79
  6. Step 6: Final answer
    x = 4,092.53

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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.