Home / 5,140.13-7,086.92-4,194.96

Finding the Fourth Proportional to 5,140.13, 7,086.92 and 4,194.96

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Solution

The fourth proportional to 5,140.13, 7,086.92 and 4,194.96 is: 5,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.13 : 7,086.92 = 4,194.96 : x
  2. Step 2: Convert to fraction form
    5,140.13/7,086.92 = 4,194.96/x
  3. Step 3: Cross multiply
    5,140.13x = 7,086.92 × 4,194.96
  4. Step 4: Simplify right side
    5,140.13x = 29,729,356.41
  5. Step 5: Solve for x
    x = 29,729,356.41/5,140.13
  6. Step 6: Final answer
    x = 5,783.78

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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.