Home / 5,781.60-8,655.78-3,402.48

Finding the Fourth Proportional to 5,781.60, 8,655.78 and 3,402.48

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Solution

The fourth proportional to 5,781.60, 8,655.78 and 3,402.48 is: 5,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.60 : 8,655.78 = 3,402.48 : x
  2. Step 2: Convert to fraction form
    5,781.60/8,655.78 = 3,402.48/x
  3. Step 3: Cross multiply
    5,781.60x = 8,655.78 × 3,402.48
  4. Step 4: Simplify right side
    5,781.60x = 29,451,118.33
  5. Step 5: Solve for x
    x = 29,451,118.33/5,781.60
  6. Step 6: Final answer
    x = 5,093.94

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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.