Home / 5,906.27-8,148.78-3,638.45

Finding the Fourth Proportional to 5,906.27, 8,148.78 and 3,638.45

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Solution

The fourth proportional to 5,906.27, 8,148.78 and 3,638.45 is: 5,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.27 : 8,148.78 = 3,638.45 : x
  2. Step 2: Convert to fraction form
    5,906.27/8,148.78 = 3,638.45/x
  3. Step 3: Cross multiply
    5,906.27x = 8,148.78 × 3,638.45
  4. Step 4: Simplify right side
    5,906.27x = 29,648,887.85
  5. Step 5: Solve for x
    x = 29,648,887.85/5,906.27
  6. Step 6: Final answer
    x = 5,019.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.