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Finding the Fourth Proportional to 6,883.60, 9,499.40 and 3,739.77

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Solution

The fourth proportional to 6,883.60, 9,499.40 and 3,739.77 is: 5,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.60 : 9,499.40 = 3,739.77 : x
  2. Step 2: Convert to fraction form
    6,883.60/9,499.40 = 3,739.77/x
  3. Step 3: Cross multiply
    6,883.60x = 9,499.40 × 3,739.77
  4. Step 4: Simplify right side
    6,883.60x = 35,525,571.14
  5. Step 5: Solve for x
    x = 35,525,571.14/6,883.60
  6. Step 6: Final answer
    x = 5,160.90

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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.