Home / 5,500.72-8,240.28-3,187.36

Finding the Fourth Proportional to 5,500.72, 8,240.28 and 3,187.36

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Solution

The fourth proportional to 5,500.72, 8,240.28 and 3,187.36 is: 4,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.72 : 8,240.28 = 3,187.36 : x
  2. Step 2: Convert to fraction form
    5,500.72/8,240.28 = 3,187.36/x
  3. Step 3: Cross multiply
    5,500.72x = 8,240.28 × 3,187.36
  4. Step 4: Simplify right side
    5,500.72x = 26,264,738.86
  5. Step 5: Solve for x
    x = 26,264,738.86/5,500.72
  6. Step 6: Final answer
    x = 4,774.78

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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.