Home / 9,861.44-13,604.56-5,668.80

Finding the Fourth Proportional to 9,861.44, 13,604.56 and 5,668.80

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Solution

The fourth proportional to 9,861.44, 13,604.56 and 5,668.80 is: 7,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.44 : 13,604.56 = 5,668.80 : x
  2. Step 2: Convert to fraction form
    9,861.44/13,604.56 = 5,668.80/x
  3. Step 3: Cross multiply
    9,861.44x = 13,604.56 × 5,668.80
  4. Step 4: Simplify right side
    9,861.44x = 77,121,529.73
  5. Step 5: Solve for x
    x = 77,121,529.73/9,861.44
  6. Step 6: Final answer
    x = 7,820.51

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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.