Home / 4,427.86-6,633.96-3,945.20

Finding the Fourth Proportional to 4,427.86, 6,633.96 and 3,945.20

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Solution

The fourth proportional to 4,427.86, 6,633.96 and 3,945.20 is: 5,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.86 : 6,633.96 = 3,945.20 : x
  2. Step 2: Convert to fraction form
    4,427.86/6,633.96 = 3,945.20/x
  3. Step 3: Cross multiply
    4,427.86x = 6,633.96 × 3,945.20
  4. Step 4: Simplify right side
    4,427.86x = 26,172,280.78
  5. Step 5: Solve for x
    x = 26,172,280.78/4,427.86
  6. Step 6: Final answer
    x = 5,910.82

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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.