Home / 8,782.49-13,178.94-3,239.73

Finding the Fourth Proportional to 8,782.49, 13,178.94 and 3,239.73

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Solution

The fourth proportional to 8,782.49, 13,178.94 and 3,239.73 is: 4,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.49 : 13,178.94 = 3,239.73 : x
  2. Step 2: Convert to fraction form
    8,782.49/13,178.94 = 3,239.73/x
  3. Step 3: Cross multiply
    8,782.49x = 13,178.94 × 3,239.73
  4. Step 4: Simplify right side
    8,782.49x = 42,696,228.08
  5. Step 5: Solve for x
    x = 42,696,228.08/8,782.49
  6. Step 6: Final answer
    x = 4,861.52

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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.