Home / 5,190.48-7,783.14-2,414.88

Finding the Fourth Proportional to 5,190.48, 7,783.14 and 2,414.88

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Solution

The fourth proportional to 5,190.48, 7,783.14 and 2,414.88 is: 3,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.48 : 7,783.14 = 2,414.88 : x
  2. Step 2: Convert to fraction form
    5,190.48/7,783.14 = 2,414.88/x
  3. Step 3: Cross multiply
    5,190.48x = 7,783.14 × 2,414.88
  4. Step 4: Simplify right side
    5,190.48x = 18,795,349.12
  5. Step 5: Solve for x
    x = 18,795,349.12/5,190.48
  6. Step 6: Final answer
    x = 3,621.12

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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.