Home / 5,493.12-7,572.57-3,918.48

Finding the Fourth Proportional to 5,493.12, 7,572.57 and 3,918.48

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Solution

The fourth proportional to 5,493.12, 7,572.57 and 3,918.48 is: 5,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.12 : 7,572.57 = 3,918.48 : x
  2. Step 2: Convert to fraction form
    5,493.12/7,572.57 = 3,918.48/x
  3. Step 3: Cross multiply
    5,493.12x = 7,572.57 × 3,918.48
  4. Step 4: Simplify right side
    5,493.12x = 29,672,964.09
  5. Step 5: Solve for x
    x = 29,672,964.09/5,493.12
  6. Step 6: Final answer
    x = 5,401.84

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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.