Home / 5,481.61-7,562.54-3,122.48

Finding the Fourth Proportional to 5,481.61, 7,562.54 and 3,122.48

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Solution

The fourth proportional to 5,481.61, 7,562.54 and 3,122.48 is: 4,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.61 : 7,562.54 = 3,122.48 : x
  2. Step 2: Convert to fraction form
    5,481.61/7,562.54 = 3,122.48/x
  3. Step 3: Cross multiply
    5,481.61x = 7,562.54 × 3,122.48
  4. Step 4: Simplify right side
    5,481.61x = 23,613,906.61
  5. Step 5: Solve for x
    x = 23,613,906.61/5,481.61
  6. Step 6: Final answer
    x = 4,307.84

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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.