Home / 5,222.09-7,193.39-3,893.55

Finding the Fourth Proportional to 5,222.09, 7,193.39 and 3,893.55

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Solution

The fourth proportional to 5,222.09, 7,193.39 and 3,893.55 is: 5,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.09 : 7,193.39 = 3,893.55 : x
  2. Step 2: Convert to fraction form
    5,222.09/7,193.39 = 3,893.55/x
  3. Step 3: Cross multiply
    5,222.09x = 7,193.39 × 3,893.55
  4. Step 4: Simplify right side
    5,222.09x = 28,007,804.17
  5. Step 5: Solve for x
    x = 28,007,804.17/5,222.09
  6. Step 6: Final answer
    x = 5,363.34

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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.