Home / 8,021.43-11,069.64-4,436.91

Finding the Fourth Proportional to 8,021.43, 11,069.64 and 4,436.91

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Solution

The fourth proportional to 8,021.43, 11,069.64 and 4,436.91 is: 6,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.43 : 11,069.64 = 4,436.91 : x
  2. Step 2: Convert to fraction form
    8,021.43/11,069.64 = 4,436.91/x
  3. Step 3: Cross multiply
    8,021.43x = 11,069.64 × 4,436.91
  4. Step 4: Simplify right side
    8,021.43x = 49,114,996.41
  5. Step 5: Solve for x
    x = 49,114,996.41/8,021.43
  6. Step 6: Final answer
    x = 6,122.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.