Home / 4,945.56-7,423.20-2,755.86

Finding the Fourth Proportional to 4,945.56, 7,423.20 and 2,755.86

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Solution

The fourth proportional to 4,945.56, 7,423.20 and 2,755.86 is: 4,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.56 : 7,423.20 = 2,755.86 : x
  2. Step 2: Convert to fraction form
    4,945.56/7,423.20 = 2,755.86/x
  3. Step 3: Cross multiply
    4,945.56x = 7,423.20 × 2,755.86
  4. Step 4: Simplify right side
    4,945.56x = 20,457,299.95
  5. Step 5: Solve for x
    x = 20,457,299.95/4,945.56
  6. Step 6: Final answer
    x = 4,136.50

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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.