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Finding the Fourth Proportional to 8,529.49, 12,793.16 and 3,339.01

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Solution

The fourth proportional to 8,529.49, 12,793.16 and 3,339.01 is: 5,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.49 : 12,793.16 = 3,339.01 : x
  2. Step 2: Convert to fraction form
    8,529.49/12,793.16 = 3,339.01/x
  3. Step 3: Cross multiply
    8,529.49x = 12,793.16 × 3,339.01
  4. Step 4: Simplify right side
    8,529.49x = 42,716,472.48
  5. Step 5: Solve for x
    x = 42,716,472.48/8,529.49
  6. Step 6: Final answer
    x = 5,008.09

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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.