Home / 5,556.68-8,331.08-2,781.35

Finding the Fourth Proportional to 5,556.68, 8,331.08 and 2,781.35

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Solution

The fourth proportional to 5,556.68, 8,331.08 and 2,781.35 is: 4,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.68 : 8,331.08 = 2,781.35 : x
  2. Step 2: Convert to fraction form
    5,556.68/8,331.08 = 2,781.35/x
  3. Step 3: Cross multiply
    5,556.68x = 8,331.08 × 2,781.35
  4. Step 4: Simplify right side
    5,556.68x = 23,171,656.28
  5. Step 5: Solve for x
    x = 23,171,656.28/5,556.68
  6. Step 6: Final answer
    x = 4,170.06

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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.