Home / 4,156.40-6,234.60-3,945.20

Finding the Fourth Proportional to 4,156.40, 6,234.60 and 3,945.20

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Solution

The fourth proportional to 4,156.40, 6,234.60 and 3,945.20 is: 5,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.40 : 6,234.60 = 3,945.20 : x
  2. Step 2: Convert to fraction form
    4,156.40/6,234.60 = 3,945.20/x
  3. Step 3: Cross multiply
    4,156.40x = 6,234.60 × 3,945.20
  4. Step 4: Simplify right side
    4,156.40x = 24,596,743.92
  5. Step 5: Solve for x
    x = 24,596,743.92/4,156.40
  6. Step 6: Final answer
    x = 5,917.80

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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.