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Finding the Fourth Proportional to 5,571.09, 8,400.87 and 5,496.98

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Solution

The fourth proportional to 5,571.09, 8,400.87 and 5,496.98 is: 8,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.09 : 8,400.87 = 5,496.98 : x
  2. Step 2: Convert to fraction form
    5,571.09/8,400.87 = 5,496.98/x
  3. Step 3: Cross multiply
    5,571.09x = 8,400.87 × 5,496.98
  4. Step 4: Simplify right side
    5,571.09x = 46,179,372.37
  5. Step 5: Solve for x
    x = 46,179,372.37/5,571.09
  6. Step 6: Final answer
    x = 8,289.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.