Home / 5,244.96-7,858.10-2,781.48

Finding the Fourth Proportional to 5,244.96, 7,858.10 and 2,781.48

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Solution

The fourth proportional to 5,244.96, 7,858.10 and 2,781.48 is: 4,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.96 : 7,858.10 = 2,781.48 : x
  2. Step 2: Convert to fraction form
    5,244.96/7,858.10 = 2,781.48/x
  3. Step 3: Cross multiply
    5,244.96x = 7,858.10 × 2,781.48
  4. Step 4: Simplify right side
    5,244.96x = 21,857,147.99
  5. Step 5: Solve for x
    x = 21,857,147.99/5,244.96
  6. Step 6: Final answer
    x = 4,167.27

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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.