Home / 5,739.54-7,915.77-3,748.56

Finding the Fourth Proportional to 5,739.54, 7,915.77 and 3,748.56

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Solution

The fourth proportional to 5,739.54, 7,915.77 and 3,748.56 is: 5,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.54 : 7,915.77 = 3,748.56 : x
  2. Step 2: Convert to fraction form
    5,739.54/7,915.77 = 3,748.56/x
  3. Step 3: Cross multiply
    5,739.54x = 7,915.77 × 3,748.56
  4. Step 4: Simplify right side
    5,739.54x = 29,672,738.79
  5. Step 5: Solve for x
    x = 29,672,738.79/5,739.54
  6. Step 6: Final answer
    x = 5,169.88

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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.