Home / 8,739.43-13,101.89-3,471.19

Finding the Fourth Proportional to 8,739.43, 13,101.89 and 3,471.19

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Solution

The fourth proportional to 8,739.43, 13,101.89 and 3,471.19 is: 5,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.43 : 13,101.89 = 3,471.19 : x
  2. Step 2: Convert to fraction form
    8,739.43/13,101.89 = 3,471.19/x
  3. Step 3: Cross multiply
    8,739.43x = 13,101.89 × 3,471.19
  4. Step 4: Simplify right side
    8,739.43x = 45,479,140.87
  5. Step 5: Solve for x
    x = 45,479,140.87/8,739.43
  6. Step 6: Final answer
    x = 5,203.90

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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.