Home / 5,269.20-7,274.89-3,381.60

Finding the Fourth Proportional to 5,269.20, 7,274.89 and 3,381.60

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Solution

The fourth proportional to 5,269.20, 7,274.89 and 3,381.60 is: 4,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.20 : 7,274.89 = 3,381.60 : x
  2. Step 2: Convert to fraction form
    5,269.20/7,274.89 = 3,381.60/x
  3. Step 3: Cross multiply
    5,269.20x = 7,274.89 × 3,381.60
  4. Step 4: Simplify right side
    5,269.20x = 24,600,749.10
  5. Step 5: Solve for x
    x = 24,600,749.10/5,269.20
  6. Step 6: Final answer
    x = 4,668.78

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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.