Home / 7,668.20-11,495.26-2,471.40

Finding the Fourth Proportional to 7,668.20, 11,495.26 and 2,471.40

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Solution

The fourth proportional to 7,668.20, 11,495.26 and 2,471.40 is: 3,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.20 : 11,495.26 = 2,471.40 : x
  2. Step 2: Convert to fraction form
    7,668.20/11,495.26 = 2,471.40/x
  3. Step 3: Cross multiply
    7,668.20x = 11,495.26 × 2,471.40
  4. Step 4: Simplify right side
    7,668.20x = 28,409,385.56
  5. Step 5: Solve for x
    x = 28,409,385.56/7,668.20
  6. Step 6: Final answer
    x = 3,704.83

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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.