Home / 5,372.82-7,414.47-3,134.79

Finding the Fourth Proportional to 5,372.82, 7,414.47 and 3,134.79

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Solution

The fourth proportional to 5,372.82, 7,414.47 and 3,134.79 is: 4,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.82 : 7,414.47 = 3,134.79 : x
  2. Step 2: Convert to fraction form
    5,372.82/7,414.47 = 3,134.79/x
  3. Step 3: Cross multiply
    5,372.82x = 7,414.47 × 3,134.79
  4. Step 4: Simplify right side
    5,372.82x = 23,242,806.41
  5. Step 5: Solve for x
    x = 23,242,806.41/5,372.82
  6. Step 6: Final answer
    x = 4,326.00

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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.