Home / 4,849.79-7,276.85-2,540.75

Finding the Fourth Proportional to 4,849.79, 7,276.85 and 2,540.75

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Solution

The fourth proportional to 4,849.79, 7,276.85 and 2,540.75 is: 3,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.79 : 7,276.85 = 2,540.75 : x
  2. Step 2: Convert to fraction form
    4,849.79/7,276.85 = 2,540.75/x
  3. Step 3: Cross multiply
    4,849.79x = 7,276.85 × 2,540.75
  4. Step 4: Simplify right side
    4,849.79x = 18,488,643.93
  5. Step 5: Solve for x
    x = 18,488,643.93/4,849.79
  6. Step 6: Final answer
    x = 3,812.26

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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.