Home / 5,388.89-7,436.60-3,031.03

Finding the Fourth Proportional to 5,388.89, 7,436.60 and 3,031.03

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Solution

The fourth proportional to 5,388.89, 7,436.60 and 3,031.03 is: 4,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.89 : 7,436.60 = 3,031.03 : x
  2. Step 2: Convert to fraction form
    5,388.89/7,436.60 = 3,031.03/x
  3. Step 3: Cross multiply
    5,388.89x = 7,436.60 × 3,031.03
  4. Step 4: Simplify right side
    5,388.89x = 22,540,542.54
  5. Step 5: Solve for x
    x = 22,540,542.54/5,388.89
  6. Step 6: Final answer
    x = 4,182.78

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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.