Home / 5,551.45-7,661.11-3,193.74

Finding the Fourth Proportional to 5,551.45, 7,661.11 and 3,193.74

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Solution

The fourth proportional to 5,551.45, 7,661.11 and 3,193.74 is: 4,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.45 : 7,661.11 = 3,193.74 : x
  2. Step 2: Convert to fraction form
    5,551.45/7,661.11 = 3,193.74/x
  3. Step 3: Cross multiply
    5,551.45x = 7,661.11 × 3,193.74
  4. Step 4: Simplify right side
    5,551.45x = 24,467,593.45
  5. Step 5: Solve for x
    x = 24,467,593.45/5,551.45
  6. Step 6: Final answer
    x = 4,407.42

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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.