Home / 8,821.09-13,227.38-5,124.38

Finding the Fourth Proportional to 8,821.09, 13,227.38 and 5,124.38

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Solution

The fourth proportional to 8,821.09, 13,227.38 and 5,124.38 is: 7,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.09 : 13,227.38 = 5,124.38 : x
  2. Step 2: Convert to fraction form
    8,821.09/13,227.38 = 5,124.38/x
  3. Step 3: Cross multiply
    8,821.09x = 13,227.38 × 5,124.38
  4. Step 4: Simplify right side
    8,821.09x = 67,782,048.98
  5. Step 5: Solve for x
    x = 67,782,048.98/8,821.09
  6. Step 6: Final answer
    x = 7,684.09

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1.5x scale

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.