Home / 5,189.38-7,783.98-2,414.50

Finding the Fourth Proportional to 5,189.38, 7,783.98 and 2,414.50

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Solution

The fourth proportional to 5,189.38, 7,783.98 and 2,414.50 is: 3,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.38 : 7,783.98 = 2,414.50 : x
  2. Step 2: Convert to fraction form
    5,189.38/7,783.98 = 2,414.50/x
  3. Step 3: Cross multiply
    5,189.38x = 7,783.98 × 2,414.50
  4. Step 4: Simplify right side
    5,189.38x = 18,794,380.79
  5. Step 5: Solve for x
    x = 18,794,380.79/5,189.38
  6. Step 6: Final answer
    x = 3,621.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.