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Finding the Fourth Proportional to 9,793.99, 14,691.93 and 3,218.59

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Solution

The fourth proportional to 9,793.99, 14,691.93 and 3,218.59 is: 4,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.99 : 14,691.93 = 3,218.59 : x
  2. Step 2: Convert to fraction form
    9,793.99/14,691.93 = 3,218.59/x
  3. Step 3: Cross multiply
    9,793.99x = 14,691.93 × 3,218.59
  4. Step 4: Simplify right side
    9,793.99x = 47,287,298.98
  5. Step 5: Solve for x
    x = 47,287,298.98/9,793.99
  6. Step 6: Final answer
    x = 4,828.20

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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.