Home / 5,148.89-7,102.85-3,257.28

Finding the Fourth Proportional to 5,148.89, 7,102.85 and 3,257.28

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Solution

The fourth proportional to 5,148.89, 7,102.85 and 3,257.28 is: 4,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.89 : 7,102.85 = 3,257.28 : x
  2. Step 2: Convert to fraction form
    5,148.89/7,102.85 = 3,257.28/x
  3. Step 3: Cross multiply
    5,148.89x = 7,102.85 × 3,257.28
  4. Step 4: Simplify right side
    5,148.89x = 23,135,954.96
  5. Step 5: Solve for x
    x = 23,135,954.96/5,148.89
  6. Step 6: Final answer
    x = 4,493.39

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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.