Home / 5,447.37-7,517.23-3,209.34

Finding the Fourth Proportional to 5,447.37, 7,517.23 and 3,209.34

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Solution

The fourth proportional to 5,447.37, 7,517.23 and 3,209.34 is: 4,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.37 : 7,517.23 = 3,209.34 : x
  2. Step 2: Convert to fraction form
    5,447.37/7,517.23 = 3,209.34/x
  3. Step 3: Cross multiply
    5,447.37x = 7,517.23 × 3,209.34
  4. Step 4: Simplify right side
    5,447.37x = 24,125,346.93
  5. Step 5: Solve for x
    x = 24,125,346.93/5,447.37
  6. Step 6: Final answer
    x = 4,428.81

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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.