Home / 5,729.48-7,912.95-3,941.73

Finding the Fourth Proportional to 5,729.48, 7,912.95 and 3,941.73

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Solution

The fourth proportional to 5,729.48, 7,912.95 and 3,941.73 is: 5,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.48 : 7,912.95 = 3,941.73 : x
  2. Step 2: Convert to fraction form
    5,729.48/7,912.95 = 3,941.73/x
  3. Step 3: Cross multiply
    5,729.48x = 7,912.95 × 3,941.73
  4. Step 4: Simplify right side
    5,729.48x = 31,190,691.95
  5. Step 5: Solve for x
    x = 31,190,691.95/5,729.48
  6. Step 6: Final answer
    x = 5,443.89

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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.