Home / 8,663.50-12,996.06-2,818.54

Finding the Fourth Proportional to 8,663.50, 12,996.06 and 2,818.54

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Solution

The fourth proportional to 8,663.50, 12,996.06 and 2,818.54 is: 4,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.50 : 12,996.06 = 2,818.54 : x
  2. Step 2: Convert to fraction form
    8,663.50/12,996.06 = 2,818.54/x
  3. Step 3: Cross multiply
    8,663.50x = 12,996.06 × 2,818.54
  4. Step 4: Simplify right side
    8,663.50x = 36,629,914.95
  5. Step 5: Solve for x
    x = 36,629,914.95/8,663.50
  6. Step 6: Final answer
    x = 4,228.07

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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.